Moturu Udayam (b. 13 October 1924, Turumella village, Guntur district, d. 31 March 2002, Vijayawada) was an Indian politician and women's rights activist. She was the General Secretary of the Andhra Pradesh Mahila Sangham for eighteen years, and then the honorary president of the organisation between 1992 and 2001. She was also Vice President of the All India Democratic Women's Association, to which the APMS is affiliated, between 1981 to 2001.
Udayam came from a family of communist sympathizers in Turumella village. She got married to the communist leader Moturi Hanumantha Rao. Along with her husband, she lived underground during the periods of 1940-1945 and 1949-1951. During these periods she led the first all-female Burrakatha cultural group, a vehicle for anti-fascist campaign activities. She was also was known in Andhra Pradesh as the first woman to peddle a bicycle in the state.
Udayam's life story is detailed, along with testimonies from eleven other women activists, in the book Breaking Barriers, Stories of Twelve Women.
Udayam herself was author of publications such as Kangrasupalana pratibimbame mahilala ki adhogati, Mahilala badhamaya jivita gunde cappullu: Adugaduguna vyathalu-visada gathalu and Mahilalaku himsala nundi vimukti eppudu?.