Rosehill is a townland in the civil parish of Templeport, County Cavan, Ireland. It lies in the Roman Catholic parish of Templeport and barony of Tullyhaw.
Rosehill is bounded on the north by Ray, Templeport and Cloneary townlands, on the west by Porturlan townland, on the south by Camagh townland and on the east by Gortnaleck townland. Its chief geographical features are Gortnaleck Lough, a pond, a stream and a wood.
Rosehill is traversed by the national secondary R205 road (Ireland), minor public roads and rural lanes.
The townland covers 56 statute acres.
The 1609 Baronial Map depicts the townland as part of Kilcrooghan.
The 1665 Down Survey map depicts it as part of Killcrachan.
An 1809 map of ecclesiastical lands in Templeport depicts it as Bellacrohaw, (from Irish: Bél Átha Cruachán, meaning The Entrance to the Ford of the Round Hill) which was probably its old Irish name before it was changed to Rosehill in the 19th century.
In the Hearth Money Rolls of 1662 there were two people paying the Hearth Tax in Killecrohean- John Bride and Robert Grige
The Tithe Applotment Books for 1827 list three tithepayers in the townland.
Griffith's Valuation of 1857 lists one landholder in the townland.
In the 1901 census of Ireland, there are two families listed in the townland.
In the 1911 census of Ireland, there are no residents listed in the townland.
The only structure of historical interest in the townland seems to be an earthen ringfort. The 1836 Ordnance Survey Namebooks state- "There is an old Danish fort near the S. side of the townland and a respectable farmhouse near the centre from whence the townland is named."