Agnieszka Osiecka (9th October 1937-7th March 1997) was a Polish poet and songwriter. She wrote over 2,000 songs, performed by artists such as Maryla Rodowicz, Seweryn Krajewski, Violetta Villas, Andrzej Dąbrowski, Anna Serafińska, and Krystyna Janda. She was also a journalist and a writer. She had one daughter, journalist, Agata Passent. She was married to Daniel Passent. She died from colon cancer.