Australia's richest woman, Gina Rinehart, is resigning as a director of media company Network Ten.

Mrs Rinehart will remain an influence on the company by keeping her 10 per cent stake in the network.

Mrs Rinehart has been replaced by John Klepec, who is the chief development officer for Mrs Rinehart's Hancock Prospecting company.

Mrs Rinehart joined the board in December 2010.

Network Ten Hamish McLennan said he looked forward to her ongoing involvement in the company.

More to come.