HMS Wintringham (M2777/IMS77) was a Ham-class minesweeper for the Royal Navy.

[1] She remained in operational reserve in a land cradle at Rosneath on the Clyde until 1963.

She was transferred to the Royal Australian Navy on 9 June 1966, arriving in Sydney as deck cargo on the merchant ship Gladstone Star on 29 July 1968.

[2] She was converted into a diving tender by Halvorsens, renamed HMAS Seal (DTV1001/Y298) and entered service in December 1968.

This article about a specific naval minesweeper of the United Kingdom is a stub.