Nanayakkarapathirage Martin Perera, commonly known as Dr.
N.
M.
Perera (Sinhala ???.???.?????? [en em pe reaira]; 6 June 1905 – 14 August 1979), was one of the leaders of the Sri Lankan Trotskyist Lanka Sama Samaja Party (LSSP).
He was the first Trotskyist to become a cabinet minister.
He served two terms as Minister of Finance and Leader of the Opposition, as well as one term as the Mayor of Colombo.