Mira Anca Victoria Mărculeţ Petrescu (20 March 1949, Sighișoara – 30 October 2013, Bucharest) was a Romanian architect and politician.
Born in Sighisoara, she graduated from the Ion Mincu Institute of Architecture in Bucharest in 1973.
She was a member of Parliament from the Greater Romania Party (PRM) between 2004 and 2008.
She was the leading architect of the world's second largest civilian administrative building (behind the Pentagon), the Palace of the Parliament in Bucharest, Romania on the orders of Romanian President Nicolae Ceauşescu in 1986. She was involved in many of the 1970s and 1980s so-called era of "systematization" redevelopment projects for Bucharest, which included the relocation of residents for the demolishing of old and poor neighborhoods, and replacing them with modern buildings with all the necessities under one roof.
On 5 August 2013, Petrescu was involved in a major car accident. She fell into a coma in September from which she never recovered, dying from complications on 30 October, aged 64.