Sandra Gasser (born 27 July 1962 in Bern) is a retired Swiss track and field athlete who specialised in middle distance running.

After the 1987 World Championships, where placed third in the 1500 metres, she failed a doping test and was disqualified.

Following her two-year ban, she rejoined the world elite and won bronze medals at both the 1990 European Championships and 1993 World Indoor Championships, although in the final of the latter, she fell before the finish line.

Sandra Gasser won seven Swiss championship titles, and still holds the Swiss national record in 800 metres.

She is 1.71 m tall (5'7") and her competition weight was 52 kg (114 lb).