I procrastinated, but better late than never. I have so many Iwaoi fanfics bookmarked on my ao3, so I may as well recommend them for the world to read too.
These are sorted by category and marked with completion status and word length. The list will be updated and edited nonetheless.
to be first, to be best by kittebasu (words: 26404, rated T, ust and angst)
one of my personal favorites, everyone should read it
shiver by yuu_chi (words: 16703, rated T, slow build, angst)
I’ve read this fic so many times and I always end up crying
I choose you by TripsH (words: 9315, rated T, soulmates au)
short one-shot with smol Iwaoi and soulmates au!!! I’m so weak for soulmates au
no room for pretend by orphan_account (words: 12600, rated T, fluff)
Oikawa and Iwaizumi pretending to be fake boyfriends
the weight of silence by suggestivescribe (words: 5531, rated E, smut)
kind of angsty but defo smut, read it and sin
no touching allowed by starlitcities (words: 10478, rated E, smut)
stripper iwaizumi and nerd oikawa is all I ever asked for
huascarán by eclecticinkling (words: 7589, rated G, angst)
this is the mountain climbing fic that nobody asked for
look by suggestivescribe (words: 3876, rated E, smut)
I don’t know what this is other than filth, Iwaizumi is so dirty
lips like sugar by ohhotlamb (words: 8064, rated T, first kiss)
Hajime is offered to learn the art of kissing from a true professional, aka Oikawa Tooru
press ‘1’ to get a call from your drunk bestfriend by parasolghost (words: 5400, rated T, underage drinking)
Iwaizumi complimenting Oikawa’s ass
os bees and flowers and pipes and plumbers by clockworkmoon (words: 7477, not rated, smut)
ok, the porn is coming at full force in this one
the 5 times Oikawa woke Iwaizumi up by cheekybrunette
and the one time Iwaizumi woke Oikawa up instead
we shine like diamonds by whitemiists (words: 26733, rated T, angst)
there it is, the slow build plus homophobia and pining angst
the PDA jar by poteto (words: 10480, rated T, fluff and humor)
this fic is so so so cute, one coin for every pda moment between iwaoi is my new headcanon
it’s tradition by melissawritesstuff (words: 3916, rated T, fluff)
every year, in his birthday, Oikawa gets a kiss from Iwaizumi
like one of your french girls by jibrailis (words: 4054, rated E, smut)
Oikawa don’t wanna be a virgin anymore
all I wanted was you by spaceburgers (words: 6212, rated E, smut)
college au with angst, porn and Iwaoi being friends with benefits
kiss it better by raewrites (words: 990, rated T, fluff)
Iwaizumi kissing Oikawa’s injuries is my aesthetic
a little bit more by orphan_account (words: 2461, rated E, smut)
hands up if you like reading shower sex because I sure do
if you wanna be by orphan_account (words: 15108, rated T, matchmaking)
Oikawa playing matchmaker for Iwaizumi and failing, of course
the great photo race by idontknowwhatisthiseven (words: 3306, rated T, humor)
just Oikawa being Oikawa and trying to take a terrible picture of Iwaizumi
like the sun rises by raewrites (words: 1615, rated, fluff)
Iwaoi discussing the relationship
sing for me by starlitcities (words: 9863, rated E, smut)
singer Iwaizumi, dear god yes that’s why I’m here, sign me the fuck up, go read this you sinners
soultouch by moami (words: 8750, rated G, angst)
why does everyone like to make iwaoi suffer, is this some kind of universal law?
kiss by buu (words: 2289, rated T, fluff)
first kiss!! smol iwaoi is the cutest
until it breaks by suggestivescribe (words: 2600, rated E, smut)
semi-public sex and bottom Iwaizumi for all your bottom Iwa needs
darlin’, your head’s not right by aruariandance (words: 13658, rated T, fluff)
domestic iwaoi, they’re literally gay and married, READ THIS
say my name by starlitcities (words: 2685, rated E, smut)
Iwaizumi needs to concentrate, but can’t, pwp
the truth is out there by shizuoh (words: 3066, rated T, humor)
or tooru: I will suck your dick if you tell me about the aliens
pillow by suggestivescribe (words: 1187, rated G, fluff)
when will suggestivescribe let me live
conquering the great king by suggestive scribe (completed, words: 105712, rated E, au)
ok this one is my personal favorite too!! like, of all time. IF YOU HAVENT READ THIS FIC YET GO READ IT NOW I laughed, cried and screamed while reading this one, it’s so full of emotions and up’s and down’s, please do this favor to yourself
silly little stars, galaxies apart by starlitcities (on-going, words: 30893, rated M, au)
soulmates au!!! this fic is so beautiful, it made me so emotional and I go to sleep every night hoping the author will update it soon
new phone who dis by meruemsthighs (completed, words: 57747, rated T, texting)
this fic is so funny lmao, Oikawa texts the wrong number while complaining about Ushiwaka
when you wish upon a star by emerald1963 (completed, words: 31975, rated T, bodyswap)
I love this fic so much, it’s so funny and captivating, go read it, it’s all fluffy
love me like you do by crossbelladonna (completed, words: 100516, rated T, fluff)
there’s angst in this one too, but I’m sure you will like it as much as I did, the storyline is just soooo good
arrest me officer by leurauxe (on-going, words: 122275, rated G, au)
policeman au, oh boy can you imagine Iwaizumi as a policeman, because I do and it’s beautiful!!
mud, stars and you by beaa (on-going, words: 74663, rated T, au)
farm au!! Oikawa gets kicked by a cow, I laughed so much with this fic I hope it updates soon
beam me up, Hajime by thunderingskies (on-going, words: 190862, rated E, au)
teacher Iwaizumi and teacher Oikawa hmm good shit sign me up, lots of space puns too
roommates by starlitcities (completed, words: 22470, rated E, angst)
this fic is so beautiful, there’s fluff and angst and it is really worth reading
by chance by crossbelladonna (completed, words; 61938, rated T, au)
fluffy and angsty, I love this one because as I said before, I’m really weak for soulmate au’s
so much better than an axe murderer by levkawa, starlitcities (completed, words: 8706, rated E, smut)
I want Oikawa to sit on my face too
the best I ever had by findingschmomo (completed, words: 62634, rated T, angst)
beautiful , made me very emotional too!! with non-linear narrative
patterns by e1even (completed, words: 20406, rated E, a/b/o universe)
ok, my first a/b/o universe fic ever, but it made me fall so deep in this hell called mating cycles and alpha/omega dynamics, really. It’s beautiful and it’s worth the try even if it’s not your thing
ellievsbear
origamiaround
stormborns
snowghoul
tangentwithtanner
