Wilhelmina Ruth Delco (née Fitzgerald; born July 16, 1929) is an American politician who served in the Texas House of Representatives.

[2] She was the first African American official elected at-large in Travis County and the first woman to hold the second highest position in the Texas House of Representatives.

Federal courts ordered Travis County's four state representatives to be elected from single member districts starting in 1974.

Delco was elected to the Texas House of Representatives from a new northeast Travis County single member district in 1974[8] and would go on to serve ten terms in the legislature.

[3] Delco was the chair of the National Advisory Committee on Institutional Quality and Integrity of the United States Department of Education.

[17] Exalton A. Delco Jr. became the first African American to receive a Doctor of Philosophy degree in zoology from the University of Texas at Austin in 1962.