Wicker is a surname. Notable people by that name include:
Alena Analeigh Wicker (born 2008), American medical student and youngest Black person to be accepted to medical school in the United States
Allan Wicker (born 1941), American psychologist
Anja Wicker (born 1991), German cross-country skier
Bob Wicker (1878–1955), American baseball player
Cassius Milton Wicker (1846–1913), American railroad manager and banker
Dennis A. Wicker (born 1952), American lawyer and politician from North Carolina
Floyd Wicker (born 1943), American professional baseball player
George R. Wicker (1877–1935), American agricultural businessman
Heinrich Wicker (1921–1945), Nazi military official
Ireene Wicker (1905–1987), American singer and actress
John J. Wicker Jr. (1893–1985), American lawyer and politician from Virginia
Kemp Wicker (1906–1973), American professional baseball player
Louis Wicker (born 1959), American atmospheric scientist
Marcus Wicker (born 1984), American poet
Nancy L. Wicker, American art history professor of art history
Randy Wicker (born 1938), American author, activist, and blogger
Roger Wicker (born 1951), American politician from Mississippi
Tom Wicker (1926–2011), American journalist
Veronica DiCarlo Wicker (1930–1994), American judge from Louisiana