Henrik Jonback (born 1973) is a Swedish producer, songwriter and musician.
Writing credits include Britney Spears, Madonna, Avicii, Galantis, Miike Snow, Kelis, Kylie Minogue, David Guetta, Little Mix, Dolly Parton, Ms. Dynamite, Sugababes, Christina Milian. He has worked in close collaboration with producers Bloodshy & Avant over the years. Jonback co-wrote "Toxic" with Britney Spears which became one of the best selling singles of 2004. Jonback is currently signed to Roc Nation Publishing.