Dunamaise Arts Centre (Irish: Amharclann Dhún Másc) is an arts and cultural centre located in Portlaoise, Ireland, opened in 1999.

[1] Maryborough Gaol was built c. 1789 in a Neoclassical style.

It is a seven-bay, two-storey building over a concealed basement with a three-bay central breakfront, built of limestone and Portland stone.

[2] It was renovated in the 1990s, and opened in 1999 as Dunamaise Arts Centre, named for the nearby Rock of Dunamase, a medieval fortress.

[4] There is also an exhibition gallery, restaurant and workshop spaces.