Cerne Abbas is a village and civil parish in the county of Dorset in southern England. It lies in the Dorset Council administrative area in the Cerne Valley in the Dorset Downs. The village lies just east of the A352 road 10 km (6.2 mi) north of Dorchester. Dorset County Council estimate that the population of the civil parish in 2013 was 820. In the 2011 census the population of the civil parish, combined with the small neighbouring parish of Up Cerne, was 784.

In 2008 it was voted Britain's "Most Desirable Village" by estate agent Savills. It is notable as the location of the Cerne Abbas Giant, a chalk figure of a giant naked man on a hillside.

The best known attraction is the Cerne Abbas Giant, a 55-metre (180 ft) naked figure carved into the chalk hillside. The giant, owned by the National Trust, is thought by many to be an Iron Age fertility symbol but, as it is unlikely that the monks of Cerne Abbey would have tolerated such a figure, and with no records before the 17th century, this cannot be confirmed. Many scholars now think that it was created in the mid-17th century, although there is evidence of Iron Age settlement on the downs nearby.

Cerne Abbas attracts many tourists, who are drawn by the Cerne river, streets lined with historic stone houses, the Abbey, the Giant, and various events including a classical music festival. The church of St Mary is of 13th-century origin but was largely rebuilt in the 15th and early 16th centuries and partly reconstructed in the 17th century. Features of interest include the 17th-century pulpit and the great east window which probably came from the abbey.

Each June, the Cerne Abbas Open Gardens can attract over a thousand visitors. Other events include horticultural shows, the annual village fete, the Cerne Abbas Music Festival, and the Wessex Morris Men often perform in the village on Bank Holidays. The four-day music festival began in 1990 and hosts classical artists of world renown.