Waldo is a masculine given name. It derives from the Anglo-Saxon name Waltheof. It may refer to:
People
edit- Waldo of Reichenau (740–814), Carolingian abbot and bishop
- Waldo Colburn (1824–1885), American politician
- Ralph Waldo Emerson (1803–1882) American writer and philosopher
- Waldo A. Evans (1869–1936), American naval captain and military governor
- Waldo Frank (1889–1967), American novelist, historian, and critic
- Waldo Grant (1946–2023), American serial killer
- Waldo E. Harder (1918–1976), president of Grace University
- M. Waldo Hatler (1894–1967), American soldier and Medal of Honor recipient
- Waldo Hutchins (1822–1891), U.S. Congressman
- Waldo P. Johnson (1817–1885), U.S. senator and Confederate congressman
- Waldo Kantor (born 1960), Argentine volleyball player
- Waldo K. Lyon (1914–1998), U.S. Navy physicist
- Waldo Machado (1934–2019), Brazilian former footballer
- Waldo McBurney (1902–2009), credited as "America's Oldest Worker"
- Waldo Ponce, Chilean football player
- Waldo de los Ríos (1934–1977), Argentine composer and conductor
- Waldo Salt (1914–1987), American screenwriter
- Waldo E. Sexton (1885–1967), American businessman
- Waldo Williams (1904–1971), Welsh language poet
Fictional characters
edit- Waldo, a central character in the Where's Wally? children's book series and television show
- Waldo, one of the Our Gang characters
- Waldo, a supporting character in the AMC series Into the Badlands
- "Waldo", nickname of the tourist guy in a 9/11 attack hoax photograph
- Waldo Faldo, a character from the television series Family Matters
- Waldo Farthingwaite-Jones, title character of "Waldo" (short story) by Robert A. Heinlein
- Waldo Jeffers, protagonist of The Velvet Underground song "The Gift"
- Waldo Jones, disabled inventor in Robert A. Heinlein's 1942 short story "Waldo"
- Waldo Kitty, a feline parody of Walter Mitty, from the animated series The Secret Lives of Waldo Kitty
- Waldo Magoo, the nephew of Quincy Magoo, from the Mr. Magoo franchise
- Waldo C. Graphic, a character from the theme park attraction Muppet*Vision 3D
- Waldo Pepper, title character of the film The Great Waldo Pepper
- Waldo Franz Schaeffer (more commonly known as Franz Hopper), a minor supporting character from the French animated television series Code Lyoko and its cancelled 2013 live-action/CGI show Code Lyoko: Evolution
- Uncle Waldo, the drunken gander from the 1970 Disney animated film The Aristocats
- Waldo, a Reptool in the television series Dinotrux
- Waldo Emerson Bell is the central character in K. M. Alexander's Bell Forging Cycle.