Louis I, Count of Erbach-Erbach (3 September 1579 – 12 April 1643), was a German prince member of the House of Erbach and ruler over Erbach, Freienstein, Michelstadt, Bad König and Wildenstein.
Born in Erbach, he was the seventh child and third (but second surviving) son of George III, Count of Erbach-Breuberg and his second wife Anna, a daughter of Frederick Magnus, Count of Solms-Laubach-Sonnenwalde.[citation needed]