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Chicago Fire Fanfiction

Chicago Fire follows the brave firefighters and paramedics of Firehouse 51 as they risk their lives daily. Discover Chicago Fire fanfiction exploring drama, romance, and brotherhood. Browse the best Chicago Fire fan stories and tropes on AO3.

7,500 works
0 popular ships

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Explore 7,500 Chicago Fire stories on Archive of Our Own, sorted by popularity. Then enjoy the best reading experience with Fanfict Reader.

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What is Chicago Fire fanfiction?

Chicago Fire fanfiction is fan-created stories set in the Chicago Fire universe. With over 7,500 works on Archive of Our Own, Chicago Fire is one of the most popular fandoms in the fanfiction community.

These stories explore beloved characters like Matthew Casey, Kelly Severide, Stella Kidd, Christopher Herrmann, and many more. Writers create everything from short one-shots to epic novel-length adventures, exploring relationships, alternate universes, and "what if" scenarios.

Most Popular Chicago Fire Fanfics

These are the highest-rated Chicago Fire stories on AO3, ranked by kudos from readers.

1

Tony's Little Black Book

by hellbells

All know of Tony's reputation as a lover man. Just what names could be in his little black book? A Series of unconnected one-shots

5,477 kudos 108,342 words 51/51 chapters Teen And Up Audiences
unconnected one-shots Tags to be added Alternate Universe
2

Shuffle

by SlashAddict4Life

A collection of Harry/AnyMale one-shots inspired by anything really. Details at the beginning of each chapter.

4,870 kudos 52,226 words 51/51 chapters Explicit
Slash Mpreg Badass Harry
3

Tony's Little Black Book (Big Heroes)

by hellbells

Tony has a type ... and it tends towards the heroic. Here are just a few entries that may appear in his black book.

4,544 kudos 115,345 words 51/51 chapters Mature
One Shot Collection
4

The Floater

by Kiragirl17

When the day started, Kelly didn't put much thought into it. It was just a normal shift, a normal day, until he noticed an unfamiliar Floater walk out of the Firehouse. His mind freezes on the man. A topical Floater doesn't look like that. Look at those arms. A topical Floater doesn't treat the stat

3,388 kudos 187,349 words 23/? chapters Teen And Up Audiences
Protective Kelly Severide Matt Casey & Kelly Severide Friendship Judging Matt Casey
5

When Silence Becomes Golden

by BuckyAndDanno

Post-Lawsuit. Bobby transfers Buck to a different shift under Captain Simmons. He tells himself that it’s for both of them. He’s still hurt, but he also knows that he can’t keep a clear head when it comes to Buck; that he cares about him too much. Only, for the rest of the team it further punctuates

2,725 kudos 13,878 words 1/1 chapters Teen And Up Audiences
other characters appear SecretlyMarried!Buck Sort Of
6

Why now?

by ArmyBuddieCrazy

After the lawsuit Buck and Eddie get together and Buck starts slowly opening up about his past. The 118 doesn't know they're neither his first nor his only real family. The rift between the 118 and Buck and Eddie grows wider when Buck's old family gathers together for a case for SWAT and the 118 thi

2,383 kudos 39,231 words 26/26 chapters Teen And Up Audiences
Past Abuse Past Child Abuse U.S. Navy SEALs
7

Home of the Bears

by BuckyAndDanno

Post-Lawsuit. Anonymous complaints. The Chief of the LAFD has had enough of the 118’s behaviour, so he puts in a call to his old friend Wallace Boden; after all, they’d been thinking of updating their command structure and operations anyway. Boden, along with his top two teams at Chicago Firehouse 5

2,186 kudos 40,414 words 15/? chapters Mature
Family Feels Angst Hurt/Comfort
8

Danger Zone

by WritersBlock039

"Highway to the danger zone, take it right into the danger zone."~ Kenny Loggins, "Danger Zone"In which Owen Strand gets the clearance for a new rig, brings his son along for the ride, and finds out said son adopted two siblings under his nose. AKA Owen suddenly has two dumbass sons and one daughter

2,177 kudos 578,240 words 62/62 chapters Teen And Up Audiences
squad goals i mean that literally Good Parent Owen Strand
9

Goodbye, Hello

by BuckyAndDanno

Lawsuit AU. Buck’s just found out that it was Bobby who stopped him from coming back to the 118, and he’s tired of fighting to return back to a family who clearly doesn’t want him. So Buck quits, and he travels the country in search of a new start. Perhaps it’s a guiding angel, but without even real

2,056 kudos 9,841 words 1/1 chapters Teen And Up Audiences
Angst Hurt Evan "Buck" Buckley Firefam Feels
10

Yes, but with Conditions

by ReindeerGamesofMischief

“Ms. Flores, we’ve never really gotten the chance to speak,” said Evan evenly, crossing his arms over his chest. He shifted his weight to his back leg and gave her a dry look, not the least apologetic for cutting her off for a second time. While most people would find themselves slow to act in such

1,924 kudos 4,552 words 1/1 chapters General Audiences
Established Evan "Buck" Buckley/Eddie Diaz U.S. Navy SEAL Evan "Buck" Buckley U.S. Navy SEAL Steve McGarrett
11

Top Harry Tales

by stridermagic

Otherwise known as Top Harry Drabbles 2.0

1,840 kudos 60,452 words 20/20 chapters Explicit
Top Harry Potter
12

Spouses Groupchat

by ReindeerGamesofMischief

A few years ago, something happened that brought four unlikely people together. Well, sort of.In a bid to keep their sanity, these four people created a groupchat where they have a safe space to talk about anything. Usually…their husbands.Husbands who used to serve together as SEALs.Or…Antonio, Matt

1,820 kudos 37,410 words 14/14 chapters Mature
U.S. Navy SEAL Evan "Buck" Buckley Multiple Crossovers What Was I Thinking?
13

Call Me When

by Queerfeministdork

When Buck's relationship crumbled right in front of him he wished he could tell someone. Anyone. But of course the con to keeping your relationship a secret from all of your friends an family was that when things fell apart you had no one to turn to.Except for the fact that he had Kelly's words runn

1,783 kudos 16,751 words 1/1 chapters Explicit
Exes to Lovers is that a tag? cause it should be Eddie is a dick in this
14

Activate SEAL

by ReindeerGamesofMischief

Smooth Dog: Salt fucking shaker.Across America, three men tensed at the text. However, they all responded the same way.Puppy: Copy. En-route.LT: Copy. En-route.Chief: Copy. En-route.Or..."Unlike Evan, I don’t go on random missions because my old commander said some random code word in the middle of

1,673 kudos 14,220 words 5/5 chapters Teen And Up Audiences
U.S. Navy SEAL Evan "Buck" Buckley U.S. Navy SEAL Kelly Severide U.S. Navy SEAL Jay Halstead
15

Last Train Home

by jayforfirefic

When a train crashes just outside of LA, Buck doesn’t expect to find his ex-fiance Kelly Severide searching the wreckage for Shay. And this close to the anniversary of Andy Darden’s death - the event that broke them both, and their relationship along with them - he’s not willing to stand by and watc

1,664 kudos 19,384 words 4/4 chapters Teen And Up Audiences
Hurt/Comfort Angst with a Happy Ending Major Character Injury
16

good/right/real

by angellwings

[Brettsey][AU - Canon Divergence][slow burn - eventual romance][friends to lovers] Our lives are a series of events and subsequent choices. If any of those events change then our choices and our path change along with it. This story will explore a major change regarding how Brett came to join 51 and

1,616 kudos 226,536 words 82/82 chapters Explicit
Alternate Universe - Canon Divergence Friends to Lovers Friendship
17

Game Day

by BuckyAndDanno

Buck decides to take part in the annual Fire Dept Football League, but forgets to tell the team, except for Bobby. Eddie decides to take Chris to see the L.A. vs Chicago game, and spots Buck, but gets the wrong message when he sees a different surname on Buck's jersey. Feelings are hurt when Buck th

1,549 kudos 2,726 words 1/1 chapters Teen And Up Audiences
Angst Feels Family Feels
18

No One Break L.A.

by ReindeerGamesofMischief

“What are your plans for this Spring Break?”Chris grinned. “So much, Ms. Edwards! My Uncles and cousins are coming from Chicago and Honolulu. And there’s going to be sight seeing and dinners! Though, I think Papa is mad at Uncle Steve for something. So there’s probably going to be a wrestling match.

1,538 kudos 25,115 words 12/12 chapters Teen And Up Audiences
U.S. Navy SEAL Evan "Buck" Buckley U.S. Navy SEAL Kelly Severide U.S. Navy SEAL Jay Halstead
19

Top Harry Sagas: Second Edition

by cozymonster

Top! Harry Potter stories stretched across whatever fandom I happen to stumble and trip head-first in.

1,520 kudos 92,167 words 29/? chapters Explicit
Top Harry Potter Dom Harry Potter Alternate Universe
20

Life

by shmembo51

“I hope there’s never a question in your mind that I love you more than words can describe. You’re it for me, Sylvie Brett. I know it took us a long time to figure it out, but we’re right for each other,” he said while stroking his thumb up and down the back of her hand. “You’re it for me too, Matt

1,486 kudos 1,434,157 words 182/? chapters Teen And Up Audiences
Domestic Fluff Family Fluff

Popular Characters

Matthew Casey Kelly Severide Stella Kidd Christopher Herrmann Sylvie Brett Wallace Boden

Frequently Asked Questions

How many Chicago Fire fanfics are on AO3?

There are over 7,500 Chicago Fire fanfiction works on Archive of Our Own, making it one of the platform's largest fandoms.

What are the best Chicago Fire ships?

Popular Chicago Fire pairings include . Each ship has thousands of dedicated stories exploring their relationship.

How can I read Chicago Fire fanfiction on my phone?

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