There are multiple meanings of Helios.

• For Hêlios in Greek Mythology, see Helios.
• For the NASA unmanned aerial vehicle (UAV) see Helios Prototype.
• For the German deep space probes see Helios probes.
• For the French military satellite see Helios 1B and Helios 2A.
• For the Deus Ex character, see Deus Ex.
• For the operating system see HeliOS.

Several business have taken the name Helios, including low-cost airline in Cyprus, Helios Airways and a software company in Germany, Helios Software.