Walter K. Andersen is an American academic known for his studies of the Rashtriya Swayamsevak Sangh (RSS) – an Indian volunteer service organization. He currently serves as Senior Adjunct Professor of South Asia Studies at Johns Hopkins University Paul H. Nitze School of Advanced International Studies and is a part of the faculty of Tongji University, Shanghai (China). Previously, he taught comparative politics at the College of Wooster before joining the United States State Department as a political analyst for South Asia specializing in India and Indian Ocean affairs. Additionally, he was an adjunct professor at The American University in Washington, D.C.