IF Troja-Ljungby is an ice hockey club that plays in Ljungby, Sweden at Ljungby Arena. The club was founded as IF Troja on 22 March 1948.
The IF Troja-Ljungby men's representative team currently plays in the ('South') division of the Hockeyettan, the third-highest league in Sweden. The women's representative team plays in the division of the NDHL Damettan, the second-highest league in Sweden.