The Channel Seven Perth Telethon, regionally known simply as Telethon, is an annual telethon established in 1968 by philanthropist Sir James Cruthers and Brian Treasure, and produced by TVW, a Seven Network-owned television station in Perth, Western Australia. It raises money for over 100 beneficiaries each year including the Perth Children's Hospital, the Telethon Clinical Research Centre and the Telethon Kids Institute. Channel Seven's Perth Telethon is the highest donating telethon per capita in the world, and since the first Telethon in 1968 has raised over A$600 million in total.

A telethon is a televised fundraising event that lasts many hours or even days, the purpose of which is to raise money for a charitable, political or other cause.