James Unaipon (born James Ngunaitponi) (c. 1835 - 1907) was an Australian Indigenous preacher of the Warrawaldie (also spelt Waruwaldi) Lakalinyeri of the Ngarrindjeri.Born James Ngunaitponi, he took the name James Reid in honour of the Scottish Free Church minister who baptised him. As James Reid he was sponsored by the Aborigines' Friends' Association for training as a missionary at the Point McLeay Mission on the banks of Lake Alexandrina in the Coorong region of South Australia in 1865.