Samuel or Sam Davis may refer to:
Samuel Davis (orientalist) (1760–1819), British orientalist and amateur artist
Samuel Davis (American politician) (1774–1831), U.S. representative from Massachusetts
Samuel Davis (Canadian politician) (1914–1996), Canadian politician, mayor of Saint John, New Brunswick
Samuel H. Davis (civil rights leader) (1810–?), American religious and civil rights leader
Samuel Howard Davis (1896–1921), pilot and namesake for Davis-Monthan Air Force Base
Samuel Post Davis (1850–1918), American journalist and politician
Samuel W. Davis (1845–?), American Civil War sailor and Medal of Honor recipient
Sam Davis (1842–1863), Confederate States Army soldier, "Boy Hero of the Confederacy"
Sam Davis (American football) (1944–2019), American football player
Sam Davis (footballer) (1890–?), English footballer
Sammy Davis (footballer) (1900–1988), English footballer
Sammy Davis Sr. (1900–1988), American dancer, father of Sammy Davis, Jr.
Sammy Davis Jr. (1925–1990), American entertainer
Sam Davis (rugby league) (born 1998), English rugby footballer