Joshua Filler is a German professional pool player from Bönen, Germany. In 2018 Filler defeated Carlo Biado 13–10 to win the 2018 WPA World Nine-ball Championship. In 2017 he was the youngest player to win the China Open, and in 2018 he also won the 10-ball European Pool Championships. Filler became WPA and Euro Tour world number 1 in 2019, and later he reached the final of the 2019 WPA World Ten-ball Championship before losing 10–7 to Ko Ping-chung.