Janusz Lewandowski (10 March 1931 – 13 August 2013) was a Polish People’s Republic diplomat, known for arranging the Operation Marigold, a failed secret attempt to reach a compromise solution to the Vietnam War.

[1][2] In 1955 he graduated from Taras Shevchenko National University of Kyiv, then Ukrainian SSR and afterwards held various positions at the Polish foreign ministry.

[1] At the time when he started arranging the Vietnam talks, officially he was a representative at the International Control Commission set up to monitor the ceasefire in the divided Vietnam.

[1] Later he served as an ambassador to a number of countries and retired in 1991.

[1] Lewandowski died of cancer in 2013[1] and was interred at the Powązki Military Cemetery.