| Type: | commune |
| County: | Harghita |
| Official Name: | Cârța |
| Other Name: | Karcfalva, Csíkkarcfalva |
| Leader Name: | Tibor Gábor[1] |
| Leader Party: | UDMR |
| Term: | 2020 - 2024 |
| Coordinates: | 46.5333°N 70°W |
| Elevation: | 721 |
| Area Total: | 78.36 |
| Population Total: | auto |
| Postal Code: | 537035 |
| Area Code: | +40 266 |
Cârța (pronounced as /ro/; hu|Csíkkarcfalva or Karcfalva in Hungarian pronounced as /ˈ(t͡ʃiːk)kɒrt͡sfɒlvɒ/) is a commune in Romania, located in Harghita County. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania.The commune is composed of two villages: Cârța (Karcfalva) and Ineu (Csíkjenőfalva). Tomești has been an independent commune since 2004.
The village belonged to the Székely seat of Csíkszék, then from 1876 until 1918 to the Csík County in the Kingdom of Hungary. In the aftermath of World War I and the Hungarian–Romanian War of 1918–1919, it passed under Romanian administration; after the Treaty of Trianon of 1920, like the rest of Transylvania, it became part of the Kingdom of Romania. During the interwar period, the village fell within Ciuc County. In 1940, the Second Vienna Award granted Northern Transylvania to Hungary and the village was held by Hungary until 1944. After Soviet occupation, the Romanian administration returned and the village became officially part of Romania in March 1945. Between 1952 and 1960, the commune fell within the Magyar Autonomous Region, between 1960 and 1968 the Mureș-Magyar Autonomous Region. In 1968, the region was abolished, and since then, the commune has been part of Harghita County.
At the 2011 census, the commune had a population of 2,709; out of them, 98% were Hungarian and 0.3% were Romanian.[2] 97% of the commune population are Roman Catholic, 1% are Reformed and 0.4% are Orthodox.[3]