Matt Fitzpatrick is currently dating his longtime girlfriend Lydia Cassada. 

That said, he is also found to be linked with Deniz Khazaniuk. However, there is not much information regarding their relationship with Deniz and Fitzpatrick. 

Cassada and Fitzpatrick met at Northwestern University in Chicago. Apparently, he only studied for one semester before turning professional. There is no further information on how they started dating. 

Additionally, Matt was reportedly joined by his American girlfriend Lydia Cassada at Royal Birkdale on July 2021. On the other hand, Lydia was also found posting a picture of her and Fitzpatrick walking the fairways of Dundonald at the Scottish Open. She captioned the image as ‘So lucky to be in love with my best friend #mushygushy,’. 

Likewise, Fitzpatrick also admitted that things have changed for good after having her by his side. He also mentioned this plans for next year to move to America to compete on the PGA Tour. It is anticipated that could also mean a permanent move to the state of Georgia where Cassada originally hails from.