Mundesley /ˈmʌn.zli/ is a coastal village and a civil parish in the English county of Norfolk. The village is 20 miles (32 km) north-northeast of Norwich, 7 miles (11 km) southeast of Cromer and 6 miles (9.7 km) north-northeast of the town of North Walsham.

"Mundsley"; "Munslee";"Munzly"

The nearest airport is Norwich Airport. The village sits astride the B1159 coast road that links Cromer and Caister-on-Sea, and is at the eastern end of the B1145 a route which runs between King's Lynn and Mundesley. Mundesley is within the Norfolk Coast AONB. It has a resident population of around 2,695 (parish, 2001 census), measured at 2,758 in the 2011 census. and 2,778 in the 2021 census.

The River Mun, also known as Mundesley Beck, flows into the sea here. On 5 September 2022 Mundesley beach won the North Norfolk District Council Battle of the Beaches to be recognised as the top beach in North Norfolk in a close run off against West Runton beach.

The villages name means 'Mul's/Mundel's wood/clearing'.

Mundesley has an entry in the Domesday Book of 1086, with the town's name recorded as Muleslai. The main landholder was William de Warenne, and the survey also lists a church.

The Mundesley Memorial Bomb is dedicated to Army teams who removed mines after the Second World War. There is a War memorial inside the Church and on the seafront at the Coastwatch station and museum. Near to the church is a World War II gun emplacement, which now stands near the edge of the cliff, due to coastal erosion.

An electoral ward in the same name exists. This ward includes Bacton and had had total population at the 2011 Census of 4,191.