Stalder is a surname. Notable people with the surname include:
Florian Stalder (born 1982), racing cyclist
Josef Stalder (1919–1991), gymnast
Keith J. Stalder, United States Marine Corps general
Lara Stalder (born 1994), ice hockey player
Marvin Stalder (1905–1982), rower
Ralph Stalder (born 1986), ice hockey player
Richard Stalder (born 1951), public official