| Club Gaa: | Round Towers Lusk |
| Irish: | Na Cloigthithe, Lusca |
| Founded: | 1906 |
| Province: | Leinster |
| County: | Dublin |
| Colours: | Blue and White |
| Grounds: | Thomas Ashe Park |
| Pattern B: | _whiterightsash |
| Leftarm: | 0000FF |
| Body: | 0000FF |
| Rightarm: | 0000FF |
| Shorts: | FFFFFF |
| Socks: | 0000FF |
Round Towers Lusk is a Gaelic Athletic Association club based at Lusk, County Dublin, Ireland, serving Lusk and its surrounding areas.
As of 2019, the club fields teams from under 9's to under 18's for both boys and girls, while at adult level the club has three football teams competing in AFL2, AFL6 and AFL11N and the Dublin Senior Football Championship and one ladies football team. They have one Junior Hurling Team competing in AHL7
Irish Volunteer Thomas Ashe founded the GAA club when a primary teacher in the local school. He died on hunger strike protesting inhuman treatment by British forces in Ireland in 1917.