Gigtarfélag Íslands (The Icelandic League Against Rheumatism) is a patient organisation dedicated to improving the quality of life of people living with rheumatic and musculoskeletal diseases. The association provides education, support, advocacy, and information, while promoting awareness, research, and better access to care and rehabilitation. Gigtarfélagið works to safeguard the rights, wellbeing, and social participation of individuals affected by rheumatic conditions.