Surname Grucza (Grucza 
) , around the world, is a rare family name. The surname Grucza is habitual in Poland, where it is a rare surname, Germany, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and Germany. Also, Grucza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Grucza | Germany, Australia, United States, Poland, Canada |
| franciszek grucza Roman Catholic priest, writer (1911-1993), PL (b. 1911) |
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| franciszek grucza Polish linguist, PL (b. 1937) |
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| ryszard grucza Polish biologist, PL (b. 1946) |
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| roman grucza PL (b. 1941) |
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| timothy grucza Australian film director, AU (b. 1976) |
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| krzysztof grucza researcher (ORCID 0000-0003-3458-9928) |
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| franz grucza TZ |
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| richard a. grucza researcher |
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| richard grucza American epidemiologist |
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