Family name Trojanowska (Trojanowska 
, Трояновська 
) , around the globe, is quite a rare last name. The cognomen Trojanowska is characteristic of Poland, where it is quite a rare surname, Ukraine, and Ireland, where it is a rare surname. In absolute terms, it is commonest in Poland, Ukraine, and Germany. More frequently, Trojanowska is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trojanowska | United Kingdom, United States, Germany, Poland, Spain |
| Трояновська | Ukraine |
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izabela ludwika trojanowska Polish singer and film actress, PL (b. 1955) |
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| barbara trojanowska PL (b. 1906) |
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| izabella trojanowska Polish journalist (1929-1995), PL (b. 1929) |
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| anna trojanowska-kaczmarska Polish art historian and painter (1931-2007), PL (b. 1931) |
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| ewa trojanowska PL (b. 1936) |
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| maria trojanowska Polish historian, PL (b. 1947) |
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| elżbieta trojanowska badminton player, PL (b. 1950) |
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| tamara trojanowska (b. 1959) |
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| maria trojanowska researcher, PL |
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| paulina trojanowska Polish Righteous Among the Nations, PL |
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| justyna trojanowska researcher ORCID ID = 0000-0001-5598-3807, PL |
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| iwona trojanowska researcher |
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| anna trojanowska researcher |
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| marzena trojanowska researcher |
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| barbara trojanowska |
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