This is a disambiguation page for "Phineas". By "Phineas", you might mean:
- Phineas, one of the Hitchhiking Ghosts of the Haunted Mansion;
- Phineas McGuffin, the scientist from the story The Big Sneeze;
- Phineas T. Barnum, a vastly-successful 19th-century entertainer;
- Phineas Sharp, a supervillain, seen in the Darkwing Duck episode In Like Blunt;
- Phineas Ferret, a smuggler who once crossed paths with Chip and Dale;
- Gilhooley Phineas Mouse, a relative of Mickey Mouse's.