Andrei Capitanciuc (born May 28, 1985) is a Moldovan former swimmer, who specialized in breaststroke events.
Capitanciuc qualified for the men's 100 m breaststroke at the 2004 Summer Olympics in Athens, by achieving a FINA B-standard of 1:04.98 from the Russian Open Championships in Moscow.
He challenged seven other swimmers in heat two, including three-time Olympians Jean Luc Razakarivony of Madagascar and Yevgeny Petrashov of Kyrgyzstan.
He shared a second seed with Saudi Arabia's Ahmed Al-Kudmani in a time of 1:05.65.
Capitanciuc failed to advance into the semifinals, as he placed forty-seventh overall out of 60 swimmers on the first day of preliminaries.