| Year | Title | Role | Notes |
| 2012 | Nostalgia Critic | Herself | Episode: "A Simple Wish" |
| Nostalgia Chick | Episodes: "Matilda", "Nostalgic Foods of Yore", also writer |
| Demo Reel | Donnie DuPre's wife (voice) | Episode: "Lost in Translation (Bromance Version)" |
| Shut Up and Talk | Herself | Episode: "Guest: Mara Wilson" |
| Missed Connection | Bitty | Episode: "Bad Dates" |
| 2013 | Welcome to Night Vale | Faceless Old Woman (voice) | 10 episodes |
| 2014 | Keith and The Girl | Herself | Episode: "2002: Boobs" |
| Nostalgia Chick | Episode: "Nostalgic Foods of Yore" |
| Amy Poehler's Smart Girls | Episode: "The In Too Steep Tea Party" |
| Maven of the Eventide | Pumpktoberfest Vlogs, Episodes 5 & 12 |
| I Don't Even Own a Television | Episode: "016 — Covert Conception (w/ Mara Wilson)" |
| 2015 | Keith and The Girl | Episode: "2147: Gang Dick" |
| Gilmore Guys | Episode 4.21 |
| That's the Show with Danny | Episode: "117: The One with Mara Wilson" |
| 2015, 2017 | I Don't Even Own a Television | Episodes: "026: Treacherous Love (w/ Mara Wilson)", "081: I'm With the Band (w/ Mara Wilson)" |
| 2016 | Mouth Time with Reductress | Ruth Hrorgen | Mouth Time LIVE! With Mara Wilson |
| 2019 | Passenger List | —.mw- N/a | Writer of "Cyberspace" (episode 5) |
| 2020 | Helluva Boss | Mrs. Mayberry (voice) | Episode: "Murder Family" |
| Our Popcorn Movie Dystopia - Some More News: The Movie | Matilda Cody | Web film |
| The George Lucas Talk Show | Herself | May the AR Be LI$$ You Arli$$ marathon fundraiser; The George Lucas Holiday Special |
| 2021 | You Are Good | Episode: "Hocus Pocus with Mara Wilson" |
| 2022–23 | Ollie & Scoops | Claudia Grimson (voice) | 2 episodes |
