Karolin Margret Natasa (born 12 March 1982) is an Indonesian politician who is currently serving as regent of Landak.
Previously, she had served as a member of the People's Representative Council.
The daughter of two-term governor Cornelis M.H., she was first elected into office in 2009, being re-elected to the national parliament in 2014.
She is a graduate of Atma Jaya Catholic University of Indonesia.
In 2018, she ran for governorship of West Kalimantan, but lost to Sutarmidji.