Julija Portjanko (; born Yuliya Ihorivna Portyanko, ; 20 April 1983 â 12 October 2021), also known as Julija Nikolià(; ), was a Macedonian handball player. She last played for the club à ½RK Vardar and for the Macedonia national team. She represented Macedonia at the 2008 European Women's Handball Championship, where Macedonia finished 7th, and Portjanko was among the top-ten goalscorers at the championship.
On 3 June 2012, after leading Macedonia to qualification for the 2012 European Women's Handball Championship, she announced her retirement from the national team.