Carl Johan "Massa" Lind (25 May 1883 – 2 February 1965) was a Swedish athlete who competed at the 1912, 1920, 1924 and 1928 Summer Olympics, missing the 1916 Games that were cancelled due to World War I.

[1][2] Lind was selected to represent Sweden in his home Olympics in 1912 in Stockholm.

[5][6][7] At the 1920 Summer Olympics, he won a silver medal in the hammer throw and a bronze medal in the 56 lb weight throw, both times behind Patrick Ryan.

In 1912, Lind set a national hammer throw record that stood for 15 years.

Lind worked as a policeman in Karlstad and continued competing until the age of 50.