Odda is a former municipality in the old Hordaland county, Norway. The municipality existed from 1913 until its dissolution in 2020 when it was merged into Ullensvang Municipality in Vestland county. It was located in southeastern Hordaland county, surrounding the southern end of the Sørfjorden. The administrative centre was the town of Odda, which was also the main commercial and economic centre of the entire Hardanger region. Other villages in the municipality included Botnen, Eitrheim, Håra, Røldal, Seljestad, Skare, and Tyssedal.
