Ensign Sven Jonsson was a male Human in Starfleet in the 24th century. He was tall, and had pale skin the color of Kaafa milk.

In 2370 Jonsson served as a security officer on Deep Space 9 he once dragged two drunken Klingons to the brig. In that year he, Duane Wilkens, Ian Muckerheide, Dalia Parks and Natalia Aponte made up the security contingent on the runabout USS Amazon along with Julian Bashir, Jadzia Dax and Kira Nerys, in a mission to rescue a Horta which had been kidnapped by the Cardassians. (DS9 novel: Devil in the Sky)

Starbase Deep Space 9 personnel and residents
Station personnel	K. Adabwe • Ahzed • Aleco V. • Alle T. • Amran • T. Ane • N. Aponte • J.S. Bashir • Battes A. • S. Bowers • Cardok • Cenn D. • Chavez • Cryan • E. Dax • J. Dax • Devro • M. Eddington • Eddon • Etana K. • Gaysd T. • Girani S. • Goodman • Gordimer • Guerette • Hage • Hava • T. Jast • Jataq'qat • S. Jonsson • Kabo • Kahrimanis • Kelly • Kira N. • Kurn • C. Ling • P. Matthias • McCormick • McEwian • K. Merimark • Monyodin • Moru • I. Muckerheide • Munson • J. Si Naran • Nedani I. • Nguyen • Nog • M.E. O'Brien • Occino • Odo • D. Parks • Pertwee • Phongsit • G. Primmin • Redac • K. Richter • Ro L. • Rom • G. Roness • Sanger • Selzner • J. Senkowski • Setrin Y. • Shul T. • B.L. Sisko • N. Sthili • M. Strang • S. Tarses • P. Tenmei • Terek • T. ch'Thane • Tolland • M. Tomson • T'Peyn • Trulli • E. Vaughn • Vu K. • Wasa G. • Wayeh S. • D. Wilkens • Worf • Woros K.
Station residents	Broik • Chram • Conpap • Elvim • Frool • Gann • E. Garak • Grehm • Grimp • Jas-qal • Kaga • Leeta • Modo • Morn • Nog • K. O'Brien • M. O'Brien • K. O'Brien • Quark • Rom • J.I. Sisko • Sorv • Taran'atar • Tora Z. • Treir • Vissh • K. Yates • Yelsi