Hugo Nys (French pronunciation: [yɡo nis]; born 16 February 1991) is a Monegasque professional tennis player who previously represented France.

At the US Open, he reached the quarterfinals of a Grand Slam for the second time in his career with partner Jan Zieliński, defeating 10th seeded pair Jamie Murray/Bruno Soares and Ariel Behar/Gonzalo Escobar.

[5] With Zieliński, Nys reached his first Grand Slam final at the Australian Open, defeating second seeds Rajeev Ram and Joe Salisbury on the way.

[10] At the 2024 Australian Open he reached the quarterfinals with Zielenski but they lost to the unseeded pair Dominik Koepfer and Yannick Hanfmann and could not defend their runner-up points from the previous year.

At the 2024 Abierto Mexicano Telcel in Acapulco he won his first ATP 500 title with Zielenski defeating top pair of Santiago Gonzalez and Neal Skupski.