Federer is a surname. Notable people with the surname include:

• Edi Federer (1955–2012), Austrian ski jumper
• Herbert Federer (1920–2010), American mathematician
• Michelle Federer (born 1973), American theatre and film actress
• Mirka Federer (born 1978), former WTA tennis player and wife of Roger Federer
• Roger Federer (born 1981), Swiss tennis player
• William J. Federer (born 1957), American historian and writer

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