Olle Ingvar Johansson (16 September 1927 – 9 August 1994) was a Swedish swimmer and water polo player who competed in the 1948 and 1952 Summer Olympics.
His 4 × 200 m freestyle teams finished fourth on both occasions, and his water polo team was fifth in 1948.
Johansson won two European gold medals in the 4 × 200 m freestyle relay, in 1947 and 1950.