Frank Baker may refer to:

• Frank Baker (ice hockey) (1884–1959), Canadian ice hockey player
• Home Run Baker (John Franklin Baker, 1886–1963), American baseball player
• Frank Baker (cricketer) (1887–1961), Irish cricketer
• Frank Baker (American football) (1909–1985), American football player
• Frank Baker (footballer) (1918–1989), English footballer
• Frank Baker (outfielder) (1944–2010), American baseball player
• Frank Baker (shortstop) (born 1946), American baseball player

• Frank D. Baker (1852–1927), American politician in Michigan
• Frank R. Baker (1861–1952), American politician in the state of Washington
• B. Frank Baker (1864–1939), American businessman and politician in Illinois
• Frank E. Baker (politician) (died 1957), American politician
• Francis Patrick Baker (1873–1959), member of the Australian House of Representatives
• Francis Matthew John Baker (1903–1939), member of the Australian House of Representatives
• Frank Baker (Boston politician) (born 1968), member of the Boston City Council

• Frank Baker (physician) (1841–1918), American physician
• Frank Baker (actor) (1892–1980), Australian western actor of the silent era
• Frank Baker (writer) (1908–1982), English author, actor, musician and television scriptwriter
• Frank Baker (1922–1989), Vancouver alderman and owner of The Attic restaurant
• Frank Baker (diplomat) (born 1961), British ambassador

• Francis Baker (disambiguation)
• Franklin Baker (1872–1946), American flour miller
• All pages with titles containing Frank Baker