Rafael Motta Bacêllo Mósca (born 13 May 1982, in Rio de Janeiro) is a freestyle swimmer from Brazil.

[3] At 19 years old, he broke the 10-year hegemony of Gustavo Borges in the 200-metre freestyle, at the 2002 Jose Finkel Trophy (Brazilian Short Course Championship).

[7] He won the silver medal with the men's relay team in the 4×200-metre freestyle at the 2003 Pan American Games in Santo Domingo, Dominican Republic.

In which he achieved 9th place also with the men's relay team in the 4×200-metre freestyle, now with Bruno Bonfim, Carlos Jayme and Rodrigo Castro.

[10] At the 2004 FINA World Swimming Championships (25 m) in Indianapolis, Mósca won the bronze medal in the 4×200-metre freestyle, along with Rodrigo Castro, Thiago Pereira and Lucas Salatta,[11] beating the South American record, with a time of 7:06.64.