Gisin or GISIN may refer to:
- Global Invasive Species Information Network
- Michelle Gisin (born 1993), Swiss alpine skier
- Dominique Gisin (born 1985), Swiss alpine skier
- Marc Gisin (born 1988), Swiss alpine skier
- Nicolas Gisin (born 1952), Swiss physicist
- Hermann Gisin [lb], Swiss zoologist
See also
- Gysi, a surname
- Gysin (disambiguation)
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