Waldo Emerson Don Carlos (October 16, 1909 – June 18, 1997) was an American football center for the Green Bay Packers of the National Football League (NFL).

[1] Carlos played with the Green Bay Packers during the 1931 NFL season.

He had previously played at the collegiate level at Drake University.

Carlos was the fourth Latin American in the history of the NFL to play on a team.

This biographical article relating to an American football offensive lineman born in the 1900s is a stub.