Ocker Nicolaus "Ok" Formenoij (16 March 1899 – 14 February 1977) was a Dutch association football player.

[1] He was part of the Dutch team that finished fourth at the 1924 Summer Olympics; Formenoij played three last games and scored three goals.

[2] In the quarter-final match against Ireland, Formenoij scored at seventh minute, Ireland equalized, and Formenoij scored again in extra time, bringing the Dutch team to the bronze medal match against Sweden.

[3] The match ended in a 1-1 draw, and a replay was set up on the next day.

This biographical article relating to Dutch football is a stub.