Fritzi is a feminine given name and nickname, often a short form (hypocorism) of Friederike, which may refer to:

• Fritzi Brunette (1890–1943), American film actress
• Friederike Fritzi Burger (1910–1999), Austrian figure skater
• Fritzi Burr (1924–2003), American actress
• Fritzi Courtney (1923–2012), American film actress
• Fritzi Fern (1901–1932), American film actress
• Fritzi Gordon (died 1992), Austrian-born British bridge player
• Fritzi Haberlandt (born 1975), German actress
• Friederike Fritzi Löwy (1910–1994), Austrian swimmer
• Fritzi Massary (1882–1969), Austrian-American actress and soprano singer born Friederike Massaryk
• Fredericka Fritzi Ridgeway (1898–1961), American actress of the silent era
• Friederike Fritzi Scheff (1879–1954), American actress and singer
• Friederike Fritzi Schwingl (1921–2016), Austrian slalom and sprint canoer

• Character in the American comic strips Fritzi Ritz (1922–1968) and Nancy (1938– )
• Title character of the 2019 animated film Fritzi – A Revolutionary Tale based on the children's book Fritzi Was There.

• Fritzi – A Revolutionary Tale (2019), a film
• Fritzi (musical comedy) (1935), a play

• All pages with titles beginning with Fritzi