↑

The symbol ↑, an upward pointing arrow can refer to:

* Yn, a Romanian Cyrillic letter
* For the direction, see up
* For the symbol, represented in Unicode, see Arrow (symbol)
* For the mathematical notation of undefined, see Defined and undefined
* For the mathematical game theory position "Up", see Up (game theory)
* It also resembles the medieval Roman numeral for 900.