Thomas or Tom Walker may refer to:

Entertainment

• Thomas Walker (actor) (1698–1744), English actor and dramatist
• Thomas Walker (author) (1784–1836), English barrister, police magistrate and writer of a one-man periodical, The Original
• Thomas Bond Walker (1861–1933), Irish painter
• Tom Walker (singer) (born 1991), British singer-songwriter
• Tom Walker (Homeland), a character in the TV series Homeland
• Tom Walker, British actor and comedian known for his character Jonathan Pie, a fictional British news reporter
• Tom Walker (comedian), Australian comedian, mime and Twitch Streamer.

Law

• Thomas Joseph Walker (1877–1945), Judge for the United States Customs Court
• Thomas Glynn Walker (1899–1993), United States federal judge
• Thomas Walker (attorney) (born 1964), U.S. attorney

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