Prohaska is a surname, derived from the Czech surname Procházka. Notable people with the surname include:
Anna Prohaska (born 1983), Austrian-British singer Felix Prohaska (1912–1987), Austrian conductor Franz Prohaska, Austrian footballer Herbert Prohaska (born 1955), Austrian footballer Janos Prohaska (1919–1974), Hungarian-American actor and stunt performer Maddie Prohaska (born 2002), American soccer player Miljenko Prohaska (1925–2014), Croatian composer and conductor Nadine Prohaska (born 1990), Austrian footballer Ray Prohaska (1901–1981), Montenegrin-American artist
See also