Jondal is a municipality in Hordaland county, Norway. It is located on the Folgefonna peninsula in the Hardanger district, on the eastern shore of the Hardangerfjorden. The administrative centre of the municipality is the village of Jondal. Other villages in Jondal include Herand, Kysnesstranda, and Torsnes.

The municipality of Jondal was established on 1 January 1863 when it was separated from the large municipality of Strandebarm. Initially, Jondal had a population of 1,663.

On 1 January 1965, there were many municipal mergers in Norway due to the Schei Committee's work. Two changes effected Jondal municipality: the part of Jondal located on the northwestern side of the Hardangerfjorden (population: 515) was transferred to Kvam municipality and the Kysnesstranda area of Strandebarm municipality (population: 100) was transferred to Jondal.

Then on 1 January 2013, the southwestern part of the Folgefonna peninsula (south of Kysnesstranda) was transferred to Jondal from Kvinnherad municipality. This added forty new residents and 37.1 square kilometres (14.3 sq mi) of land area to the municipality.

In 2016 the chief of police formally suggested that the police station be closed down.

The municipality is named after the Jondalen valley in which the village of Jondal sits. The Old Norse form of the name was Jónardalr. The first element is an old rivername Jón (now called Jondalselvi) and the last element is dalr which means "valley" or "dale". The meaning of the rivername is unknown.

The coat-of-arms is from modern times; they were granted in 1987. The arms are red with three gold-colored boat hooks. This design was chosen to symbolise the importance of sailing and shipping along the Hardangerfjord. Historically, Jondal has been known for its shipyards and sailing college.

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