Houston
- Gulf Building, Houston
- Guseman, Tanny Charles
- Hall, William Whitty
- Halls Bayou (Harris County)
- Hamilton, TX (Harris County)
- Hannay, Allen Burroughs
- Happy Hollow, Houston
- Harby, Lee Cohen
- Harris County
- Harris County Boys School Site
- Harris, David
- Harris, DeWitt Clinton
- Harris, Dilue Rose
- Harris, Jane Birdsall
- Harris, John Birdsall
- Harris, John Richardson
- Harris, Lewis Birdsall
- Harris, Vincent Madeley
- Harrisburg Railroad and Trading Company
- Harrisburg, TX (Harris County)
- Harrison, Lullelia Walker
- Hasgett, Sidney
- Hawkins, John Edward [Big Hawk]
- Hawkins, Patrick Lamont [Fat Pat]
- Hay, Samuel Ross
- Haywood, Cedric O.
- Heart Transplants
- Hedwig Village, TX
- Heiner, Eugene T.
- Held, John Adolf
- Henderson Nathaniel Q.
- Henderson, James Wilson
- Henry, Christopher Columbus, Sr.
- Henson, Margaret Louise Swett
- Hermann Hospital
- Hermann, George Henry
- Hernández, Alfred J., Sr.
- Herrera, John J.
- Hess, Orville [Bennie]
- Hester, Julia Catherine Thomas
- Hill, George Alfred, Jr.
- Hill, Maurice Cameron
- Hillendahl, TX
- Hilshire Village, TX
- Hirsch, Maurice
- Historic Hollywood Cemetery
- Hobby, Oveta Culp
- Hobby, William Pettus
- Hofheinz, Roy Mark
- Hogg, Ima