Ardeth or Ardith may refer to:
Ardeth G. Kapp (1931–2024), the ninth general president of the Young Women Organization of The Church of Jesus Christ of Latter-day Saints (LDS Church) from 1984 to 1992 Ardeth Platte (1936–2020), American Dominican Religious Sister and anti-nuclear activist Ardeth Wood (1975–2003), Canadian woman who was a graduate student at the University of Waterloo who was killed in a forcible drowning in the city of Ottawa Ardith McPherson, American female deputy constable who worked in Texas' Harris County Constable's office Ardith Melloh, Swedish female author of the 1981 book Grandfather's Songbooks, Or, The Psalmodikon in America Ardith Dondanville Todd, American actress who played a character in the 1939 film The Wizard of Oz
Fictional characters Ardeth Bay, a fictional male character who has appeared in The Mummy movie series Ardeth, the ex wife of Jay Sherman in the cartoon The Critic
See also Ardeth Lake, an alpine lake in Boise County, Idaho, United States Ardeth Lake (California), a lake in Tuolumne County, California