William Smith, 79, was last seen Thursday around noon in the 2200 block of San Jacinto Drive.
Smith is a white man, who stands about 6 feet tall and weighs 275 pounds. He has gray hair and blue eyes. He was last seen wearing glasses, a dark shirt and khaki shorts.
Smith may be driving a 2017 Ford Taurus with a Texas plate.
If you have any information about Smith's disappearance, call the Kerrville Police Department at (830) 257-8181.