Peggy O'Dare (born Ella Aarup; September 3, 1898 – August 24, 1959) was an American actress active during Hollywood's silent era.

She is often confused with fellow silent-era actress Peggy O'Day.

O'Dare was born on Staten Island to Niels Aarup and Augusta Geshke, both of whom hailed from Denmark.

Her films included In the Balance, For Life and The Vanishing Dagger (a serial).

[3] In 1920, O'Dare married oil engineer Albert O. Pegg in Bakersfield, California.