Mary Mulligan (born 12 February 1960, Liverpool) is a Scottish Labour Party politician, and formerly Member of the Scottish Parliament (MSP) for Linlithgow constituency from 1999 to 2011. She lost her seat to the Scottish National Party's Fiona Hyslop in the 2011 Scottish Parliament election.

She was appointed Deputy Minister for Health and Community Care upon Jack McConnell becoming First Minister in 2001. After the reshuffle following the 2003 election she became Deputy Minister for Communities. She resigned from this position in October 2004 in order to concentrate on preventing St John's Hospital in Livingston being downgraded.^[1] This hospital served many of her constituents. Nevertheless, services were cut from the hospital as planned.

Mulligan was Labour's Shadow Minister for Housing and Communities. She was a member of the Scottish Parliament Local Government and Communities Committee.