| Rationalist | |
| Language: | Polish |
| Editor: | Józef Landau |
| Publisher: | Warszawskie Koło Intelektualistów |
| Country: | Poland |
| Based: | Warsaw |
| Firstdate: | October 1930 |
| Lastdate: | December 1935 |
Rationalist (pl|Racjonalista) was a Polish magazine published in Warsaw from October 1930 to December 1935 by the Warsaw Circle of Intellectuals, Polish Association of Free Thought.
Editor and publisher of "rationalist" was Józef Landau. The leading publicists were: Tadeusz Kotarbiński, Henryk Ułaszyn, and Józef Landau.