All Saints Church, Deganwy, is an Anglican church in the town of Deganwy, Wales, on a site overlooking the Conwy estuary (grid reference SH783790).

[1] It is designed by Cadw as a Grade II* listed building.

[2] The church was built as a memorial church by Lady Augusta Mostyn to a design by John Douglas of Chester on a site overlooking the Conwy estuary.

It has a clerestory, a chancel higher than the nave, and a west tower.

[3] The two-manual organ was built by Alex Young and Sons of Manchester in 1899, and it was modified by L. Reeves in 1972.