Thomas may refer to:
- Thomas Henderson, a fan of KateModern who frequently made appearances on the show.
- Thomas Jefferson Russell, a character in Redearth88 and The Home Office ARG.
- Thomas Verdus, the founder of Verdus Pharmaceuticals.
- Tom Judd, the director of photography for LG15: The Last.
- Tom Mesker, an actor in LG15: The Last.
- Tom Pettit, a writer for lonelygirl15.
- Tom Snyder, an actor in lonelygirl15.
- Tom Wright, a writer for KateModern.