The men's 200 metre breaststroke competition of the swimming events at the 1959 Pan American Games took place on 31 August (preliminaires)[1][2] and 2 September (finals).

[3] The last Pan American Games champion was Héctor Domínguez of Argentina.

[4][5][6][7][8][9] This race consisted of four lengths of the pool, all in breaststroke.

[10] All times are in minutes and seconds.

The first round was held on August 31.