| Tadeusz Żakiej | |
| Birth Date: | 13 January 1915 |
| Birth Place: | Lemberg, Galicia, Austria-Hungary (now Lviv, Ukraine) |
| Death Place: | Warsaw, Poland |
| Occupation: | Musicologist, music publicist, food writer |
| Other Names: | Tadeusz Marek, Maria Lemnis, Henryk Vitry |
Tadeusz Żakiej (pronounced as /pl/; 13 January 1915 – 6 October 1994) was a Polish musicologist and music publicist, as well as a food writer. He used the pen name Tadeusz Marek when writing about music and the double pen name Maria Lemnis and Henryk Vitry for his work on culinary topics.