Instagram Tips & Strategies

How to Tag Someone in an Instagram Competition

By Spencer Lanoue
October 31, 2025

Finding an amazing Instagram competition is exciting, but that last entry step - tag a friend! - can feel a little tricky if you're not sure how to do it right. This guide will walk you through exactly how to tag someone correctly to enter a giveaway, explain the different ways it’s done, and give you some expert tips on how to boost your chances without annoying your friends in the process.

Why Do Instagram Competitions Ask You to Tag Friends?

Ever wondered why "tag-a-friend" is the most popular rule for Instagram giveaways? It's not a random choice, it's a powerful and intentional marketing strategy. When a brand asks you to tag someone, they are tapping into one of the most effective forms of marketing: word-of-mouth. Here’s a breakdown of what’s happening behind the scenes.

It Generates Free, Targeted Reach

Think about it: when you tag a friend, you are essentially giving a personal recommendation. You're telling someone, "Hey, I saw this and thought of you." For the brand, this is pure gold. Each tag exposes their product or service to a new person who might not have seen it otherwise. Better yet, since you know your friend's interests, the tag is highly targeted. If your buddy loves camping gear and you tag them in a giveaway for a new tent, the brand just reached a perfectly qualified new potential customer, for free.

It Drives Organic Growth

Tagging isn't just about visibility, it's about growth. When your friend gets tagged, they receive a notification. They'll likely check out the post and the brand's profile. If they like what they see, they might give the brand a follow or even enter the competition themselves, tagging another friend and continuing the cycle. This creates a viral loop that can dramatically increase a brand’s follower count with genuine, interested users far more effectively than paid ads ever could.

It Skyrockets Engagement Signals

The Instagram algorithm loves activity. A post with tons of comments is seen as popular and valuable, which means Instagram is more likely to show it to more people, including on the Explore page. By asking for tags in the comments, brands are engineering a massive spike in engagement. Every tag is a new comment, telling the algorithm, "This content is a hit!" This boost helps the competition get seen by an even wider audience beyond the brand's immediate followers.

It Creates Powerful Social Proof

When you scroll past a post and see thousands of comments and tags, it immediately makes the brand feel more legitimate and popular. This phenomenon is called social proof. A high volume of entries signals that the prize is desirable and the brand is trustworthy. For anyone on the fence about entering, seeing a flood of other people participating can be the push they need to join in.

The Step-by-Step Guide: How to Tag Someone in an Instagram Competition

Ready to enter? Tagging someone is simple once you know the steps. Here’s exactly how to do it in the comments, the most common method for contest entries.

1. Find the Comment Section

First, find the post for the competition you want to enter. Directly below the photo or video, you’ll see a row of icons: a heart (like), a speech bubble (comment), and a paper airplane (share). Tap the speech bubble icon to open the comment field.

2. Start Your Comment with the "@" Symbol

To mention or "tag" another Instagram user in a comment, you must start with the "@" symbol. This is the universal sign on the platform that you are about to reference an account. Simply type @ into the comment box.

3. Type the Username

As soon as you type the "@" symbol, you can start typing your friend's username. You don’t even have to type the full thing. Instagram’s autocomplete feature will immediately start suggesting accounts that match the letters you've entered. For example, if your friend's username is "@janedoeadventures," just typing "@jane" will probably bring them up in the suggestions.

Pro Tip: If you don't know their exact username, try typing their first and last name. If they've linked their name to their profile, they should still pop up.

4. Select the Correct Account from the List

As you type, a list of accounts will appear above your keyboard. Scroll through it and find your friend - pay attention to the username and their profile picture to make sure you've got the right person. Once you find them, tap their name from the list. Their full username will then be automatically added to your comment, and it should appear as a blue, clickable link. If the username isn't blue, the tag isn't active, and your entry might not count.

5. Add Any Required Message or Hashtag

Always double-check the competition rules. Sometimes you just need to tag a friend, but other giveaways ask you to add a specific comment ("Tell us why you want to win!") or include a particular hashtag. Make sure you complete all parts of the comment before posting.

6. Hit 'Post'

Once your comment is ready - you've got the blue, clickable tag and any other required text - tap the "Post" button. Your comment will go live, and your friend will receive a notification in their activity feed letting them know you mentioned them in a comment. Your part is done!

Beyond the Comments: Other Ways You Might Be Asked to Tag

While comment-tagging is the most frequent requirement, some brands get creative with their entry methods. Here are a couple of other ways you might be asked to tag someone.

Tagging in an Instagram Story

This method boosts a brand's visibility in a more temporary but highly visible format. The rules will typically ask you to share the contest post to your own Story and tag both the brand and a friend.

  • Tap the paper airplane icon below the giveaway post.
  • Select "Add to story" from the menu.
  • The post will appear in the Story editor. Tap the "Aa" icon to create a text box.
  • Type "@" followed by the brand's username and select their account. Repeat the process to tag your friend.
  • Pro Tip: Use the sticker icon (the smiley face) and choose the "@Mention" sticker for a more stylized tag. The most important thing is that the tag becomes underlined, proving it's clickable.
  • Once you've added the tags, resize and position them as you like, then share your Story.

Tagging in a Main Feed Post

This is less common for simple giveaways but is frequently used for user-generated content (UGC) campaigns. For example, a clothing brand might ask you to post a picture of yourself wearing their product, use a specific hashtag, and tag both the brand and friends in your photo's caption or directly in the photo itself. When you upload your photo, you'll have the option to "Tag People" before publishing, which allows you to place clickable tags on the image itself.

The Friendly Guide to Competition Tagging Etiquette

Tagging friends is easy, but doing it right means being considerate. Nobody wants to be spammed with notifications for giveaways they have zero interest in. Following some simple etiquette makes the experience better for everyone.

  • Tag Friends Who Are a Good Fit: Your friend who is a die-hard gamer probably doesn't care about a makeup palette giveaway. Tag people who would genuinely appreciate the prize. It feels less like spam and more like a helpful tip, and they might even be grateful you shared it.
  • Create a "Tag Group": If you and your friends frequently enter contests, consider creating a small group chat of "giveaway buddies." Everyone agrees to be tagged, and you can share contests you find with each other. It removes any guesswork and ensures nobody gets annoyed.
  • Avoid Tagging Celebrities: Tagging a celebrity or a mega-influencer won’t get you extra points. Most brands disqualify these tags because they want you to tag real people. Stick to your actual friends.
  • Read the Rules on Multiple Entries: This one is huge. Pay close attention to the instructions. If the rules say, "Each comment with a new tag is an extra entry," you should make separate comments for each friend. If they say, "Tag 3 friends to enter," you can put all three in a single comment. Not following the directions is the fastest way to get disqualified.

Common Mistakes to Avoid When Tagging for a Giveaway

A simple mistake can void your entry. Steer clear of these common pitfalls to make sure your effort doesn't go to waste.

  • Mistake 1: Not Completing All the Steps: Tagging friends is often just one piece of the puzzle. Most competitions have a checklist: 1. Follow our account. 2. Like this post. 3. Tag a friend. Missing even one of these steps means your entry is incomplete.
  • Mistake 2: Typing the Username Incorrectly: A single typo can break the tag. If you manually type out a username but misspell it, the tag won't turn blue and won't be clickable. Always select the user from the pop-up list to confirm it's correct.
  • Mistake 3: Tagging Private Accounts: If you tag a friend with a private account, the brand running the contest may not be able to verify it, which could make your entry ineligible. It's always safer to tag friends who have public profiles.
  • Mistake 4: Tagging Fake or Spam Accounts: Brands are smarter now. They often review entries and can spot "tag-only" or fake accounts. Creating a dozen fake profiles just to tag them in giveaways is a quick path to getting blocked and disqualified not just from the current contest, but from future ones, too.

Final Thoughts

Tagging friends in Instagram competitions is more than just a random rule, it's a key growth strategy for brands and a simple step for increasing your chances to win awesome prizes. By following the contest rules precisely, tagging thoughtfully, and avoiding common mistakes, you can master the entry process and make it a win-win for both you and the brands you love.

Running social media competitions can create a huge wave of engagement, but managing all those comments, DMs, and tags can quickly become chaotic. At Postbase, we built our platform to simplify exactly that. Our unified inbox brings all your Instagram comments and DMs into one clean, manageable view, so you can track entries and engage with your community without having to constantly jump between apps. It helps you stay organized so you can focus on building your brand, not drowning in notifications.

Spencer's spent a decade building products at companies like Buffer, UserTesting, and Bump Health. He's spent years in the weeds of social media management—scheduling posts, analyzing performance, coordinating teams. At Postbase, he's building tools to automate the busywork so you can focus on creating great content.

Other posts you might like

How to Add Social Media Icons to an Email Signature

Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

Read more

How to Add an Etsy Link to Pinterest

Learn how to add your Etsy link to Pinterest and drive traffic to your shop. Discover strategies to create converting pins and turn browsers into customers.

Read more

How to Grant Access to Facebook Business Manager

Grant access to your Facebook Business Manager securely. Follow our step-by-step guide to add users and assign permissions without sharing your password.

Read more

How to Record Audio for Instagram Reels

Record clear audio for Instagram Reels with this guide. Learn actionable steps to create professional-sounding audio, using just your phone or upgraded gear.

Read more

How to Add Translation in an Instagram Post

Add translations to Instagram posts and connect globally. Learn manual techniques and discover Instagram's automatic translation features in this guide.

Read more

How to Optimize Facebook for Business

Optimize your Facebook Business Page for growth and sales with strategic tweaks. Learn to engage your community, create captivating content, and refine strategies.

Read more

Stop wrestling with outdated social media tools

Wrestling with social media? It doesn’t have to be this hard. Plan your content, schedule posts, respond to comments, and analyze performance — all in one simple, easy-to-use tool.

Schedule your first post
The simplest way to manage your social media
Rating