The Agulhas long-billed lark (Certhilauda brevirostris), also known as the Agulhas lark or Agulhas longbill is a small passerine bird. It is an endemic resident breeder in the Western Cape, South Africa. Its restricted range is centred on the Agulhas arable farmlands, from east of the Hottentots-Holland mountain range to Mossel Bay, and occupies a maximum of 15,000 km².