| Oldeboorn | |
| Native Name: | Aldeboarn |
| Settlement Type: | Village |
| Pushpin Map: | Netherlands Friesland#Netherlands |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in the Netherlands |
| Coordinates: | 53.0483°N 5.8944°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Friesland |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Heerenveen |
| Unit Pref: | Metric |
| Area Total Km2: | 27.24 |
| Elevation Footnotes: | [1] |
| Elevation M: | 0.1 |
| Population As Of: | 2021 |
| Population Footnotes: | [2] |
| Population Total: | 1,550 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 8495 |
| Area Code Type: | Dialing code |
| Area Code: | 0566 |
Aldeboarn (Dutch; Flemish: Oldeboorn) is a village in Heerenveen in the province of Friesland, the Netherlands. It had a population of around 1545 in January 2017.[3] Aldeboarn has an iconic church tower.
The village was first mentioned in 1243 as "jn Bornde". "Boarn" is a river name which means bank. Alde (old) is usually added to distinguish from another village perhaps .[4] Aldeboard developed in the 11th or 12th century along the Boorne river as an elongated terp (artificial living mound) village. It became a trading place, and developed into a regional centre.[5]
Aldeboarn used to have a medieval church.[5] In 1723, the tower was struck by lightning. In 1737, the iconic tower of the Doelhof Church was finished. It is a slender tower with crown consisting of a three-story wooden lantern with one closed and two open pavillons. The tower is leaning slightly and has a displacement of . In 1753, a new church was added to the tower.[6]
The weigh house is a corner building from 1736 and houses the local museum.[5] In 1840, Aldeboard was home to 1,485 people.[7]
Before 2014, Aldeboarn was part of the Boarnsterhim municipality and before 1984 it was part of Utingeradeel.[7]