Ballymalis Castle is a tower house and National Monument located in County Kerry, Ireland.

[4][5][6] This castle was built in the early 16th century by the Ó Muircheartaigh (O'Moriartys).

[7] It later passed to the Ó Fearghuis (Ferrises), who renovated it in the late 16th century.

It is rectangular, with four storeys and an attic, with bartizans in the southwest and northeast corners.

Also featured are slopstones, a machicolation, chimneys, fireplaces and decorated windows with mullions and transoms.