| Katlijk | |
| Native Name: | Ketlik |
| Settlement Type: | Village |
| Pushpin Map: | Netherlands Friesland#Netherlands |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in the Netherlands |
| Coordinates: | 52.9467°N 6.0128°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: | 11.37 |
| Elevation Footnotes: | [1] |
| Elevation M: | 2 |
| Population As Of: | 2021 |
| Population Footnotes: | [2] |
| Population Total: | 585 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 8455 |
| Area Code Type: | Dialing code |
| Area Code: | 0513 |
Katlijk (West Frisian: Ketlik) is a village in Heerenveen in the province of Friesland, the Netherlands. It had a population of around 610 in 2017.[3]
The village was first mentioned in 1315 as Kathaleke. The etymology is unclear.[4] The village had a chapel as early as 1254. In 1525, a church without tower was built. The double bell tower has been restored in 1930. In 1840, Katlijk was home to 241 people.[5]
Before 1934, Katlijk was part of the Schoterland municipality.[5]