Andrzej Kaznowski (born 23 December 1935) is a Polish former Communist politician who was the mayor of Gdansk from 1973 to 1977.
In 1964, he graduated from Gdansk College of Education (later the University of Gdansk).
He became a member of the Polish United Workers' Party in 1960 and later held a number of bureaucratic positions in the city.
Kaznowski was the mayor of Gdansk from 13 December 1973 to 15 September 1977.
He was the first mayor of the city after the city council split the offices of mayor and the presidium of the National City Council.
He began the twin city program between Gdansk and Bremen in what was then West Germany, the first of its kind in Poland at the time.
He was succeeded by Jerzy Mlynarczyk.
He later worked in a number of diplomatic positions before going into private enterprise.