Andrei Cecan (born June 20, 1976 in Chişinău) is a Moldovan former swimmer, who specialized in middle-distance freestyle events. He is a single-time Olympian (2000), a sixth-place finalist at the 1999 Summer Universiade, and a member of Dinamo Chişinău.
Cecan made his major international debut at the 1998 FINA World Championships in Perth, Australia. In the 400 m freestyle, he powered home with a fifteenth-place effort in the B-Final in a time of 3:56.68, trailing Hungary's Béla Szabados by two hundredths of a second (0.02).
Cecan competed in the men's 200 m freestyle at the 2000 Summer Olympics in Sydney. He posted a FINA B-time of 1:52.12 from the Summer Universiade in Palma de Mallorca, Spain. He challenged seven other swimmers in heat four, including Ukraine's Rostyslav Svanidze, a top 16 finalist in Atlanta four years earlier. Cecan raced to sixth place by three-tenths of a second (0.30) behind Kyrgyzstan's Dmitri Kuzmin in a time of 1:53.23. Cecan failed to advance into the semifinals, as he placed thirty-first overall in the prelims.