National team appearances in the men's Olympic water polo tournament

This article presents the national team appearances in the men's Olympic water polo tournament since the inaugural official edition in 1900.

The inaugural winners in 1900 were Great Britain; the current champions are Serbia.

[1][2][3] Note: Results of Olympic qualification tournaments are not included.

Numbers refer to the final placing of each team at the respective Games; italic number in header means unofficial tournament was held.

Hungary is the most successful country in the men's Olympic water polo tournament, with nine gold, three silver and four bronze.

This is a summary of the total number of participating teams by confederation in each tournament.

Note: italic number in header means unofficial tournament was held.