Mariyannapalya is a neighbourhood near Hebbal in northern Bengaluru, Karnataka, India. It falls within Ward 9 (Amruthahalli) of the Bruhat Bengaluru Mahanagara Palike under the 243-ward delimitation. Neighbouring areas include Kempapura and Dasarahalli. The Manyata Embassy Business Park, a technology campus, and Nagawara Lake are nearby. Nagawara Lake covers and is managed by the Karnataka Lake Conservation and Development Authority.
As of the 2011 census, Mariyannapalya had a population of 5,884 within an area of 0.39 square kilometres.
St. James Church, Mariyannapalya, is a Roman Catholic parish church established in 1943. Masses are held in Kannada.
St. James Higher Primary School (UDISE code 29280707148), a government-aided school established in 1944, serves classes 1 through 7. A separate St. James High School (UDISE code 29280719836), a private-aided Kannada-medium school established in 1991, serves classes 8 through 10.