William D. Howell (1797–1836) was an American surgeon who died as a defender of the Alamo in 1836.
Howell was a medical doctor who was born in Massachusetts in 1797, but lived in New York before traveling to Texas by way of New Orleans in 1835.
Thomas H. Breece's company of New Orleans Greys.
Howell participated in the Siege of Bexar and later served at the Alamo as a member of Capt.
On March 6, 1836 Howell died in the Battle of the Alamo.