The Sunbury Amateur Regatta is a regatta on the River Thames at Sunbury-on-Thames, Surrey, England with a rare visitors' boats lights display and fireworks event. It is for mainly traditional wooden types of boats with a few events for small sculling boats since its instigation in 1877 taking place by convention on a Saturday in early to mid August. The Edith Topsfield Junior Regatta takes place the following day.