Koronas-Foton, Living With a Star, Picard (satellite)
Pioneer 6, 7, 8, and 9
Reuven Ramaty High Energy Solar Spectroscopic Imager
SOLAR (ISS)
Solar and Heliospheric Observatory
Solar Dynamics Observatory
Solar Orbiter, Solar Probe Plus
Solar Sentinels
STEREO
TRACE
Tsiolkovsky mission
TWINS, Ulysses (spacecraft)
Template:Sun spacecraft
So Far the closest flyby of the Sun of any spacecraft was performed by Helios II in 1976. It got 0.29 AU or 43.432 million kilometers from the Sun surface.