Groggan
Groggan is a hamlet and townland near Randalstown in County Antrim, Northern Ireland. It is situated in the historic barony of Toome Upper and the Civil [parishes in Ireland|civil parish] of Drummaul and covers an area of 620 acres. It is within the Borough of Antrim.
The townland is around northwest of Randalstown, and around southwest of Ballymena.
Groggan had a population of 135 people in the 2011 census. The population of the townland declined overall during the 19th century:
| Year | 1841 | 1851 | 1861 | 1871 | 1881 | 1891 |
| Population | 255 | 294 | 333 | 334 | 247 | 209 |
| Houses | 47 | 53 | 59 | 59 | 47 | 46 |