Kazimierz Reychman (born November 1, 1882, died August 16, 1936 in Warsaw) was a Polish diplomat of Jewish origin.
He was the son of Nicholas and Anna Chocimska.
He served as vice-consul of the Republic in Buenos Aires, then consul of the Republic in Rio de Janeiro.
He was the brother of Stanislaus (an engineer, co-founder of the Association of Polish Electrical Engineers), Eugenia, and Wanda Justyna.
On October 2, 1907, he married Wanda Olszewicz, whom he divorced on March 6, 1924.
From the marriage had two sons: Stefan Adolf (engineer) and Jan Antoni.