Weldon is an English surname and place name that means "hill with a spring" or "hill by a well", from the Old English wella, spring, and dun, hill. It was used as a given name in the American South throughout the 20th century and has the same sturdy surname feel as Weston and Wilson. Weldon has stayed between numbers 2690 and 3650 among US boys over the past decade and ranks 2793 in 2025.