Grzegorz Łomacz (born 1 October 1987) is a Polish professional volleyball player who plays as a setter for Skra Bełchatów and the Poland national team.

With Poland, Łomacz won the 2018 World Champion title and took part in 3 Olympic Games – Rio 2016, Tokyo 2020 and Paris 2024, winning a silver medal at the latter.

[1] After a good season and 6th place in PlusLiga, he decided to leave the club from Lubin.

On 27 April 2017, it was announced that Łomacz signed a two–year contract with Skra Bełchatów.

On 10 August 2024, he won the silver medal at the 2024 Summer Olympic Games in Paris.