Jan Fleischmann

{{Infobox ice hockey player

| image = Album representantů všech oborů veřejného života československého - 1927 - Jan (Maria) Fleischmann.png

| position = Defence

| shoots = Left

| ntl_team = BOH

| ntl_team_2 = TCH

| birth_date = {{birth date|1885|7|6}}

| birth_place = Prague, Austria-Hungary

| death_date = {{death date and age|1939|9|23|1885|7|6}}

| death_place = Prague, Protectorate of Bohemia and Moravia

| career_start = 1906

| career_end = 1925

}}

Jan Maria Fleischmann (July 6, 1885 – September 23, 1939) was a Czechoslovak ice hockey player who competed in the 1924 Winter Olympics.

In 1924 he participated with the Czechoslovak team in the first Winter Olympics ice hockey tournament. His younger brother Miroslav was also a member of the squad.