Michael or Mike Smith may refer to:

Music

• Michael Buffalo Smith (born 1957), American writer and Southern rock musician
• Michael Joseph Smith (born 1947), British saxophonist in the pop band Amen Corner
• Michael Joseph Smith, jazz composer & performer
• Michael Peter Smith, American songwriter and performer
• Michael S. Smith (1946–2006), American jazz drummer, drummer for Roberta Flack
• Michael W. Smith (born 1957), American contemporary Christian singer and multi-instrumentalist
• Mike Smith (A&R man), MD of Columbia Records UK
• Mike Smith (Dave Clark Five) (1943–2008), English singer-songwriter, lead singer of The Dave Clark Five during the 1960s
• Mike Smith (guitarist) (born 1973), American guitarist for the bands Snot and Limp Bizkit
• Mike Smith (musician), drummer, mainly known for his work in the death metal band Suffocation
• Mike Smith (saxophonist), British musician, member of the rock band The Ailerons
• Mike Smith (singer-songwriter) (born 1939), American singer-songwriter

Stage and screen

• Michael Smith (actor/director), film and TV actor/director
• Michael Bailey Smith (born 1957), American film and television actor
• Mike Smith (actor) (born 1972), Canadian actor and guitarist who portrays Bubbles in the television show Trailer Park Boys

Writing

• Michael Smith (poet) (born 1942), Irish poet and translator
• Michael V. Smith, Canadian novelist, poet and filmmaker
• Mikey Smith (1954–1983), Jamaican dub poet and performance artist
• Michael Smith (writer) (born 1976), English writer and broadcaster
• Michael Marshall Smith (born 1965), British novelist and screenwriter

Other

• Michael Smith (performance artist) (born 1951), American performance artist

Journalists

• Michael Smith (sports reporter), American sports reporter for the The Boston Globe and ESPN
• Michael Smith (newspaper reporter), reporter on defence issues at The Times of London; involved with some aspects of the Downing Street Memo
• Michael David Smith, American sportwriter and blogger
• Michael Holley Smith, American writer on résumés
• Michael Townsend Smith, theatre critic for The Village Voice, music and dance critic for the Santa Barbara News-Press; also playwright
• Michael Smyth, South Australian television newsreader
• Mike Smith (television presenter), British television and radio presenter

Politicians

• Michael Smith (Irish politician) (born 1940), Republic of Ireland politician
• Michael K. Smith (IL) (born 1966), member of the Illinois House of Representatives
• Michael K. Smith (Vermont), as of early 2006, secretary of human services for the state of Vermont
• Michael Keith Smith (born 1953), chairman of United Kingdom pressure group, the Conservative Democratic Alliance
• M. Hoke Smith (1855–1931), American politician
• Mike Smith (politician), mayor of Colchester County, Nova Scotia, Canada