Bangladesh Communist Party (Leninist), a communist party in Bangladesh. BCP(L) was founded in Calcutta in the fall of 1971, by several small communist splinter fractions. The core of founders of BCP(L) consisted of Kazi Jafar Ahmad , Rashid Khan Menon and Ranu from the Communist Samanay Kendra, Amul Sen and Nazrul Islam from Communist Sanghati Kendra and Nasim Ali from the Hatiar group. Communist Samanay Kendra originated from the students movement and Communist Sanghati Kendra was a splinter group of East Pakistan Communist Party (Marxist-Leninist) that had revolted against the annihiliation line.

Amul Sen was elected secretary of the party.

BCP(L) projected itself as neither loyal to Moscow nor Peking. BCP(L) had a close link with the Communist Party of India (Marxist) from its foundation.

In 1973 is formed part of the opposition alliance formed by National Awami Party (Bashani) .

In 1974 BCP(L) launched the United People's Party as their open frontal party.

In 1979 Kazi Jaffar Ahmad left the party and joined Ziaur Rahman.

In 1980, on the 100th birth anniversary of Stalin, BCP(L) merged with some other groups and formed Workers Party of Bangladesh.