Santipur (Vidhan Sabha constituency) (also spelt Shantipur) is an assembly constituency in Nadia district in the Indian state of West Bengal.
As per orders of the Delimitation Commission, No. 86 Santipur (Vidhan Sabha constituency) is composed of the following: Shantipur municipality, and Babla, Baganchra, Belgoria I, Belgoria II Gayeshpur and Haripur gram panchayats of Santipur community development block.
Santipur (Vidhan Sabha constituency) is part of No. 13 Ranaghat (Lok Sabha constituency) (SC). It was earlier part of Nabadwip (Lok Sabha constituency).
Election results 
.# Swing calculated on CPI(M)'s vote percentage in 2006.
In the 2006, 2001, 1996 and 1991 state assembly elections, Ajoy Dey of Congress won the Santipur seat, defeating his nearest rivals Sanatanu Chakrabarti of CPI (M), Badal Basak, Independent, Bimalananda Mukherjee of RCPI (R), and Asim Ghosh of RCPI in respective years. Contests in most years were multi cornered but only winners and runners are being mentioned. In 1987, 1982 and 1977, Bimalananda Mukherjee, RCPI/Independent candidate defeated Ajay Dey, Asamanja De (both of Congress) and Jnanendra Nath Pramanik of Janata Party in the respective years.
Asamanja De of Congress won in 1972. Bimalananda Mukherjee of RCPI won in 1971. M.Makshed Ali of RCPI won in 1969. K.Pal of CPI(M) won in 1967. Kanai Pal, Independent, won in 1962. Haridas Dey of Congress won in 1957. In independent India’s first election in 1951, Sashi Bhusan Khan of Congress won the Santipur seat.