Otto Ernest Passman (June 27, 1900 – August 13, 1988) was an American politician who served in the United States House of Representatives for Louisiana's 5th congressional district from 1947 until 1977.

[3] Passman graduated from Soule Business College in 1929, and engaged in the manufacture and sale of appliances.

During Passman's time in Congress, winning the Democratic primary in Louisiana was considered tantamount to election.

[8] In his last years in office, Passman was sued for firing his deputy administrative assistant, Shirley Davis.

When terminating Davis, Passman wrote that "it was essential that the understudy to my Administrative Assistant be a man.