St Catherine's, Ventnor is a parish church in the Church of England located in Ventnor, Isle of Wight.

The church dates from 1837 and was designed by the architect Robert Ebbels,[1] at a cost of £4,655 funded by John Hambrough of Steephill Castle.

[2] The chancel was a later addition in 1849 and the south aisle in 1897.

[3] Windsor Dudley Cecil Hambrough of Steephill was the victim in the Ardlamont House Murder and was buried in the churchyard in 1893.

[4][5] The church is within a group which includes: The church has a pipe organ by James Jepson Binns.