Alina Astafei (known before 1995 as Galina Astafei; born 7 June 1969) is a Romanian born track and field athlete who attained German citizenship in 1995. She was one of the world's leading high jumpers in the 1990s. Representing Romania, she is the 1992 Olympic silver medallist, while representing Germany, she is the 1995 World Championship silver medallist and the 1995 World Indoor champion.
Astafei won the 1987 European Junior title and cleared 2.00 metres to win the 1988 World Junior title. At the 1988 Seoul Olympics, she finished equal fifth in the final with 1.93 metres. Her biggest success for her native Romania was when winning the silver medal at the 1992 Olympic Games in Barcelona, Spain, where she cleared 2.00 m.
On 9 January 1995, Asfafei left the Romania track and field association and attained German citizenship on 1 March 1995. She won the 1995 World indoor title in Barcelona with a clearance of 2.01 m, before going on to clear 1.99 m to win the silver medal at the 1995 World Championships in Gothenburg, behind Stefka Kostadinova. At her third Olympic Games in 1996, she finished equal fifth with 1.96 m. Her outdoor personal best of 2.01 metres was set in 1995, while she set her indoor best of 2.04 m, earlier the same year.
Astafei represented USC Mainz (1995–1997) and MTG 1899 Mannheim (coached by Constantin Dumitrescu; Since 1998; Trainer: Dan Vladescu). While she was active she was 1.82 metres tall and weighed 62 kg.