Talwinder Singh Parmar (26 February 1944 – 15 October 1992) born in Kapurthala, Punjab, India was a Sikh militant and co-founder of Babbar Khalsa involved in the extremist Khalistan movement.
Parmar moved to Canada in 1970.
He became involved in activities of the banned terrorist organisation Babbar Khalsa and became its leader in Canada in 1979.
His sect was called Babbar Khalsa International (BKI) and was based in Vancouver, British Columbia, whereas Sukhdev Singh Babbar was the Chief of Babbar Khalsa in India.
Parmar later became a naturalized Canadian citizen.
In 1981 he was involved in the killing of 2 Punjab police officers and was arrested in 1983 in Germany.
He was released after a year in prison in Germany and he went to Canada.
The Commission of Inquiry into the Investigation of the bombing of Air India Flight 182 concluded that Talwinder Singh Parmar, although never convicted, was the leader of the conspiracy to bomb Air India flights in 1985.
He was killed in a gun fight with Punjab Police on 15 October 1992; details of this incident are disputed.