Thevenard (postcode 5690) is a port town 3 kilometres (1.9 mi) south-west of Ceduna, South Australia. It is named after nearby Cape Thevenard, which in turn had been named after Antoine-Jean-Marie Thévenard, a French admiral. At the 2006 census, Thevenard had a population of 776.
The port at Thevenard, handles bulk grain, gypsum, salt and zircon. Thevenard is a terminus on the isolated Eyre Peninsula Railway network, and receives several trains daily of bulk gypsum from the Lake MacDonnell mine at Kevin near Penong.
Iluka Resources exports 300,000 tonnes of zircon product from Thevenard annually produced at the Jacinth Ambrosia Mine.
The existing jetty has two berths each capable of handling ships of 198m length overall (LOA) and 28m beam with a berthing pocket 30 metres wide and 9.8 metres deep. A gantry supports a load out conveyor and a discharge boom with a travel length of 160.5m, capable of bulk loading grain at 750 tonnes per hour and gypsum at 950 tonnes per hour, into ships holds with a maximum outreach of 18 metres.
Thevenard is in the District Council of Ceduna local government area, the South Australian House of Assembly electoral district of Flinders and the Australian House of Representatives Division of Grey.