Antoni ‘’Kolka’’ Kolczyński (born August 25, 1917 in the Masovian village of Zdunowo, died June 19, 1964 in Warsaw) was a Polish boxer, champion of Europe and participant in the Olympic Games.

In 1937 he won silver in the Championships of Poland, and next year, he was chosen the best fighter of the Europe - United States boxing match. Also, in 1938 he was voted second most popular athlete of Poland, in the Przeglad Sportowy plebiscite.

During the 1939 European Amateur Boxing Championships in Dublin, Kolczynski achieved his biggest success, winning gold. In the final fight of the welterweight, he beat Erik Agren from Sweden.

During World War II, Kolczynski was unable to continue career. After 1945, he never got back to the late-1930s form. He participated in the 1948 Olympic Games in London as well as other tournaments with much success However, he was a top champion of Poland, winning the national competitions in 1946, 1947, 1950 and 1951. Kolczynski ended career in 1952. Altogether, he fought 238 times, winning 216 fights and losing 22.