Suzann Pettersen (born 7 April 1981) is a Norwegian professional golfer. She plays mainly on the U.S.-based LPGA Tour, and is also a member of the Ladies European Tour. Her career best world ranking is second and she has held that position several times, most recently from August 2011 until February 2012.
Pettersen was born in Oslo, Norway. Both her parents, Axel and Mona, participated in sports. She has two brothers, Stefan and Gunerius. Suzann Pettersen is a distant relative of merchant Gunerius Pettersen (1826–1892).
As an amateur, she was a five-time Norwegian Amateur Champion (1996–2000), and won the British Girls Championship in 1999. She represented Norway in the world amateur team championship for women, the Espirito Santo Trophy in 1998 and 2000, finishing as the leading individual in her second appearance. She also represented Europe in the 1997 and 1999 Junior Ryder Cup Matches.