Countryman is a surname. Notable people with the surname include:
B. W. Countryman (1867–1946), American politician
Carl Countryman (1946–2006), American audio engineer
Dana Countryman (born 1954), American electronic musician
Dayton Countryman (1918–2011), American politician
Edward Countryman (1944–2025), American historian
Gratia Countryman (1866–1953), American librarian
Kaylee Countryman (born 2010), American racing driver
John R. Countryman (1933–2024), American child actor, and career officer for the United States Foreign Service
Peter J. Countryman (1942–1992), American social activist and civil rights leader
Rick Countryman (born 1957), American jazz saxophonist
Robbie Countryman, American television director
Thomas M. Countryman (born 1957), American diplomat
Vern Countryman (1917–1999), American legal scholar