Sven "Sven-Pelle" Pettersson (15 December 1911 – 6 January 2000) was a Swedish swimmer and water polo player who competed in the 1928 Summer Olympics and in the 1936 Summer Olympics.^[1]

In 1928 he was eliminated in the first round of the men's 100 m freestyle competition. As a member of the Swedish relay team he finished fifth in the men's 4 × 200 m freestyle relay event.

Eight years later he was part of the Swedish water polo team which finished seventh in the water polo tournament. He played three matches. As a member of the Swedish relay team he finished eighth in the men's 4 × 200 m freestyle relay event.

Pettersson represented SK Neptun.^[2]