Great Depression
- Houston Museum of Natural Science
- Houston North Shore Railway
- Houston Post
- Houston Press
- Houston Public Library
- Houston Ship Channel
- Houston Symphony Orchestra
- Houston, Andrew Jackson
- Houston, Samuel Walker
- Hoyo, John Charles, Sr.
- Huantes, Margarita Electra Rivas
- Huggins, William Ogburn
- Hugman, Robert Harvey Harold
- Hutcheson, Joseph Chappell, Jr.
- Ideson, Julia Bedford
- Incarnate Word Academy
- Irby, Francis Gerald [Jerry]
- Jacquet, Russell
- Jaworski, Leon
- Jazz
- Jeffersonian Democrats
- Jemison, James Hudson
- John, Grace Zillah Briggs Spaulding
- Johnson, "Blind Willie"
- Johnson, Lyndon Baines
- Johnston, Ralph A.
- Joiner, Columbus Marion [Dad]
- Jones, Jesse Holman
- Jones, Jessie Kenan Wilder
- Jones, John Marvin
- July, Johanna
- Kamrath, Karl Fred
- Kay, Savannah Harris
- Keane, John Joseph
- Keiller, Violet Hannah
- Kelley, John Dickson [Peck]
- Keyes, Joe
- Kidd, Mary Carson [Mary Carson]
- Kilman, Edward Wolf
- King, Charles Leonidas
- Kinkaid School
- Kirkham, Harold Laurens Dundas
- Kleberg, Richard Mifflin
- La Gaceta Mexicana
- Lanham, Frederick Garland
- Lanier, Ralphael O'Hara
- Larkin, Milton, Sr.
- Law, Francis Marion, Jr.
- Law, Thelma Adele Patten
- Leach, John Sayles