Janecki (feminine: Janecka) is a Polish surname derived from a place named Janki or from the given name Jan.JANECKI Notable people with the surname include:
Janina Janecka (1893–1938), Polish actress Leonia Janecka (1909–2003), Polish painter Robert Janecki (born 1974), Polish yacht racer Ryszard Janecki (1919–2004), Polish footballer Władysław Janecki (1934–2023), Polish politician
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