Texas Post World War II
- Coleman, Ornette
- Collins, Albert
- Colson, Esther Neveille Higgs
- Compaq Computer Corporation
- Conferencia de Mujeres Por La Raza
- Congregation Beth Israel, Houston
- Congregation Emanu El, Houston
- Connally, John Bowden, Jr.
- Connally, Lucile Ferguson Sanderson Sheppard
- Connally, Thomas Terry
- Connor, Seymour Vaughan [Ike]
- Constitutional Convention of 1974
- Contemporary Arts Museum
- Continental Airlines
- Continental Zydeco Ballroom
- Cook, Felix Lopez, Jr.
- Cooper, Kenneth Paul
- Copeland, Johnny [Clyde]
- Copeland, Murray Marcus
- Copper Production
- Cortés, Ramiro, Jr.
- Courtlandt Place Historic District
- Covington, Benjamin Jesse
- Covington, Jennie Belle Murphy
- Crecy, Warren Gamaliel Harding
- Crespo, Manuel
- Creuzot, Percy Pennington, Jr. [Frenchy]
- Croneis, Carey Gardiner
- Crooker, John Henry
- Crouch, Douglass Anthony
- Cruz-Aedo, Victor Manuel
- Crystal City Revolts
- Cuesta, Henry Falcón
- Cullen Foundation
- Cullen, Hugh Roy
- Cullinan, Nina J.
- Cummins, Robert James
- Cunningham, Minnie Fisher
- Curtis, Doris S. Malkin
- Cutrer, Lewis Wesley
- D Records
- Daffan, Theron Eugene [Ted]
- Daily, Harold W. [Pappy]
- Daily, Ray Karchmer
- Dallas-Fort Worth International Airport
- Daniel, Marion Price, Jr.
- Daniel, Marion Price, Sr.
- Davidians and Branch Davidians
- Davis, Lincoln, Sr. [Link]
- Davis, Morgan J.