Julia Kathrin Marty (born 16 April 1988) is a Swiss ice hockey player, currently playing in the Women's League (SWHL A) with EV Bomo Thun.

Prior to her college ice hockey career, Marty played with EV Zug in the Leistungsklasse A (LKA), the top Swiss women's league, from 2003 to 2007.

In a game versus Russia at the 2012 IIHF Women's World Championship, Marty logged two points (one goal, one assist) in a 5–2 victory, as Switzerland advanced to the semifinals.

[1] Marty played alongside her twin sister Stefanie with the New Hampshire Wildcats women's ice hockey program in the 2007–08 season on defense.

On 24 October, Marty's four-point performance was the first by a Huskies player since Chelsey Jones recorded five points against the Maine Black Bears on 3 December 2006.