A pink lake is a naturally occurring geological feature, often caused by the presence of algae.
Pink Lake may also refer to: Pink Lake (Canada), a lake in Gatineau Park, Quebec Pink Lake of Quairading, a lake at Badjaling, near Quairading, Western Australia Pink Lake (Victoria), a lake near Dimboola in Victoria, Australia Pink Lake (Western Australia), a lake in the Goldfields-Esperance region of Western Australia Pink Lake, Western Australia, a suburb of Esperance, Western Australia Lake Retba (Senegal), also known as Lac Rose (meaning "pink lake") Pink Lake (film), a 2020 drama film