Jog Falls, Gerosoppa Falls or Joga Falls is the 2nd highest waterfall in India located near Sagara taluk in the state of Karnataka.It is a segmented waterfall which, depending on rain and season, becomes a plunge waterfall. The falls are a major tourist attraction and is ranked 13th in the world by the waterfall database. They are also known as the Gersoppa Falls or Jogada Gundi.

The falls are located on the Uttara Kannada and Sagara border.

Joga is a Kannada word meaning falls. Many Kannada speakers near Sahyadri Mountains such as in Yellapura region still use the word Joga to mean falls. The word Joga may be related to or a derivative of Kannada word javugu which means marsh (wet).

Associated with the waterfall is the nearby Linganmakki Dam across river Sharavathi.The power station has been operational since 1948 and is of 120 MW capacity, one of the largest hydroelectric stations in India at that time and a small source of electric power for Karnataka now. The power station was previously named Krishna Rajendra hydro-electric project, after the King of Mysore at that time. The name was later changed to Mahatma Gandhi Hydro-electric Project. It was served by Hirebhaskara dam until 1960. After 1960, due to the ideas of Sir M. Visvesvarayya, Linganmakki Dam has been used for power generation.