What is "f-sharp"

F♯ (F-sharp) may refer to:

• F♯ (musical note)
• F-sharp minor, a minor musical scale
• F-sharp major, a major musical scale
• F# (programming language), a .NET programming language
• "F Sharp", a comedic song by Tim Minchin on his So Rock CD
• "F♯ (Wake Up)", a song on Handle With Care by Nuclear Assault
• F♯ A♯ ∞, an album by Godspeed You! Black Emperor
• Rot Lop Fan, the F-Sharp Bell of the Obsidian Deeps, a character from the Green Lantern comics