 Marine cyanobacteria are a rich source of bioactive compounds with potential applications in human health, including anti-inflammatory, anti-cancer, anti-bacterial, anti-parasitic, anti-diabetic, anti-viral, antioxidant, anti-aging, and anti-obesity activities. Recent studies have focused on isolating novel bioactive compounds from different marine cyanobacteria species for the development of therapeutics for various diseases that affect human health. This article was authored by our M.T.D. Pereira, K. H. I. M. Harith, K. K. Asanka Sanjeeva, and others.