Kadidal Manjappa (1908–1992) was the third Chief Minister of Karnataka (then, Mysore State) for a short period of time in 1956 (19 August 1956 – 31 October 1956).

He hailed from the village of Kadidal in the nature rich Tirthahalli taluk of Shimoga district from a Vokkaliga Community.

Manjappa was a freedom fighter and a true Gandhian who led many struggles in the state for probity in public life.

He played an important role in initiating land reforms in the early 1950s by introducing laws related to the abolition of absentee landlordism and recognition to the right of cultivators.

He joined protests against emergency excesses in 1976 and later, headed the Karnataka state unit of "Congress for Democracy" floated by Babu Jagjivan Ram.