| Altnagelvin | |
| Type: | townland |
| Native Name: | Irish: Allt Mhic Dhuibhleacháin<ref name="logainm">[http://www.logainm.ie/58606.aspx Logainm] - Placenames Database of Ireland</ref> |
| Translit Lang1: | Irish |
| Translit Lang1 Type: | Derivation: |
| Translit Lang1 Info: | Irish: Alt na nGealbhán |
| Translit Lang1 Type1: | Meaning: |
| Translit Lang1 Info1: | "Glen/height of the sparrows" |
| Pushpin Map: | Northern Ireland#United Kingdom |
| Pushpin Map Caption: | Altnagelvin shown within Northern Ireland |
| Coordinates: | 54.981°N -7.288°W |
| Subdivision Type: | Sovereign state |
| Subdivision Name: | United Kingdom |
| Subdivision Type1: | Country |
| Subdivision Name1: | Northern Ireland |
| Subdivision Type2: | County |
| Subdivision Name2: | Londonderry |
| Subdivision Type3: | Barony |
| Subdivision Name3: | Tirkeeran |
| Subdivision Type4: | Civil parish |
| Subdivision Name4: | Clondermot |
| Leader Title: | Council |
| Leader Name: | Derry and Strabane |
| Leader Title1: | Ward |
| Leader Name1: | Altnagelvin |
| Parts Type: | Settlements |
| Parts Style: | para |
| P1: | Derry |
| Area Footnotes: | [1] |
| Area Total Ha: | 118.69 |
| Area Total Acre: | 293.30 |
Altnagelvin [2] is a townland in County Londonderry, Northern Ireland. It is also the name of an electoral ward in Derry and Strabane district. Formerly a small village, it has been absorbed into the Waterside neighbourhood of Derry. Within Altnagelvin is Altnagelvin Area Hospital, a large hospital which serves most of the county.
The busy A6 road from Belfast to Derry passes through the townland.
On Census Day 29 April 2001 the resident population of Altnagelvin ward was 4477.[3] Of these: