Bretscher

 ( German-language Surnames ) 

Bretscher is a Swiss German surname. Notable people include:

• Anthony P. Bretscher (born 1950), English professor
• Egon Bretscher (1901–1973), Swiss nuclear physicist
• Mark Bretscher (born 1940), British scientist, brother of Anthony
• Robert Bretscher (born 1953), Swiss gymnast
• Willy Bretscher (1897–1992), Swiss writer