Gamini Lakshman Peiris (Sinhala: ගාමීණි ලක්ෂ්මණ් පීරිස්, Tamil: காமினி லக்ஷ்மன் பீரிஸ்) (born 13 August 1946) is a Sri Lankan politician and academic.

[1] He was the Cabinet Minister of External Affairs and is a member of the Parliament of Sri Lanka from the National List.

Peiris was a close confidant of the former President Chandrika Bandaranaike Kumaratunga, who appointed him as a national list member of the parliament following the 1994 election.

During his tenure as Justice Minister, he brought in over 30 pieces of new legislation which were considered innovative and in accordance with the needs of modern times.

[10] When the UNF government headed by the then Prime Minister Ranil Wickremesinghe engaged in peace talks with the Liberation Tigers of Tamil Eelam, Peiris was appointed as the chief negotiator.

[16] The SLPP achieved a landslide victory in the 2020 general election and Peris was appointed to parliament from the national list and made the Minister of education.