Poland participated in the Eurovision Song Contest 2017 with the song "Flashlight" written by Kasia Moś, Pete Baringger and Rickard Bonde Truumeel. The song was performed by Kasia Moś. The Polish broadcaster Telewizja Polska (TVP) organised the national final Krajowe Eliminacje 2017 in order to select the Polish entry for the 2017 contest in Kyiv, Ukraine. The national final took place on 18 February 2017 and featured ten entries. "Flashlight" performed by Kasia Moś was selected as the winner after gaining the most points following the combination of votes from a five-member jury panel and a public vote.

The Eurovision Song Contest 2017 was the 62nd edition of the Eurovision Song Contest. It took place in Kyiv, Ukraine, following the country's victory at the 2016 contest with the song "1944" by Jamala. Organised by the European Broadcasting Union (EBU) and host broadcaster Public Broadcasting Company of Ukraine (UA:PBC), the contest was held at the International Exhibition Centre and consisted of two semi-finals on 9 and 11 May, and a final on 13 May 2017. The three live shows were presented by Ukrainian television presenters Oleksandr Skichko, Volodymyr Ostapchuk and Timur Miroshnychenko, being the first contest since the inaugural 1956 edition without a female host.