Hildreth is both a surname and a given name. Notable people with the name include:
Surname: Ellen Hildreth, co-inventor of the Marr–Hildreth algorithm in machine vision. Horace A. Hildreth, governor of Maine, 1945–1949 James Hildreth, cricketer Lee Hildreth, footballer Lou Wills Hildreth (1928–2019), American Southern gospel performer, songwriter, talent agent and television host Mark Hildreth, wrestler, known as Van Hammer Mark Hildreth (actor) Richard Hildreth, journalist, historian Sam Hildreth, racehorse trainer Samuel Hildreth (American Revolution) (1750–1823), a surgeon in the Massachusetts militia and aboard Massachusetts naval privateers during the American Revolutionary War Samuel Prescott Hildreth (1783–1863), a pioneer physician, scientist, and historian in Ohio and the Northwest Territory Wes Hildreth, or E. W. Hildreth, a notable USGS geologist
Given name: Hildreth Frost, Colorado National Guardsman and lawyer Hildreth Glyn-Jones (1895–1980), British barrister Hildreth Meière, artist