Big Boy, Bigboy or Big Boys may refer to:
Food
Big Boy Restaurants, the overall restaurant chain and franchises
Bob's Big Boy, the original California-based regional restaurant chain
Frisch's Big Boy, the Ohio-based regional restaurant chain
People
Big Boy (nickname), a list of people
Big Boy (radio host) (born 1969), host on Los Angeles station KRRL
Bigboy Matlapeng (born 1958), Botswanan long-distance runner
Perrance Shiri (Bigboy Samson Chikerema, 1955–2020), Zimbabwean air marshal
Film and theater
Big Boy (musical), a 1925 Broadway production starring Al Jolson
Big Boy (film), a 1930 musical comedy starring Al Jolson as a jockey riding the horse Big Boy
Big Boys (TV series), a British television sitcom
Big Boys (film), a 2023 film
Artists
Big Boys (band), a band
Arthur Crudup (1905–1974), American singer and guitarist
Big Boy Goudie (1899–1964), American jazz musician
Arthur "Big Boy" Spires (1912–1990), American blues singer and guitarist
Big Boy (rapper) (born 1975), Puerto Rican rap and reggaeton songwriter born Gustavo Roy Diaz in 1975
Albums
Big Boy (EP), by Charlotte Cardin
Big Boy, an album by eLDee
Songs
"Big Boy" (song), by The Jackson 5
"Big Boy", a song by Sparks in the film Rollercoaster
"Big Boys", a song by Elvis Costello from Armed Forces (1979)
"Big Boys", a song by Chuck Berry from Chuck (2017)
"Big Boys" (song), a song from a Saturday Night Live comedy sketch
Other uses
Big Boy Junction, Tennessee, an unincorporated community
Big Boy Peak, a mountain in Idaho
Union Pacific Big Boy, a class of steam locomotives
Big Boy (Dick Tracy), a character in the Dick Tracy franchise
Henry Big Boy, a rifle by Henry Repeating Arms
Atrax christenseni, an Australian spider species nicknamed "big boy"