Stig Roland Helmer "Stickan" Pettersson (born 26 March 1935) is a retired Swedish high jumper.

He won two medals at the European Athletics Championships and competed in three Olympic Games.

In 1956 he jumped 2.06 m finishing fourth;[1] he was briefly in a tie for the Olympic record, but it was broken during the competition.

[1] Four years later in Rome he cleared 2.09 m for the fifth place,[1] and in Tokyo in 1964 he placed fourth again, despite his best Olympic jump of 2.14 m.[1] At the 1958 European Championships, held in his home city of Stockholm, Pettersson won the bronze medal with a jump of 2.10 m.[2][3] At the 1962 Championships in Belgrade he cleared 2.13 m, enough for a silver medal behind the future Olympic Champion Valeriy Brumel.

This biographical article relating to Swedish athletics is a stub.