Gustaf Adolf Jonsson (26 June 1879 – 30 April 1949) was a Swedish sport shooter who competed at the 1908, the 1912 and the 1920 Summer Olympics.

[1] In 1908, he won the silver medal in the team free rifle event.

Four years later, he won the gold medal as a member of the Swedish free rifle.

In 1920, he won the bronze medal as part of the Swedish 600 metre military rifle prone team.

In the 300 and 600 metre team military rifle, prone event he finished sixth.