YJ
# YJ

YJ or yJ may refer to:

Arts and entertainment:

* Yahoo! Japan, a website
* Young Justice, a DC comic series
   * Young Justice (TV series), TV series aired on Cartoon Network
      * Young Justice: Legacy, video games based on the TV series
* Yakitate!! Japan, an anime
* Weekly Young Jump, a magazine

Other uses:

* Yoctojoule (yJ = $10^{−24}$  J), an SI unit of energy
* Yottajoule (YJ = $10^{24}$  J), an SI unit of energy
* Jeep Wrangler, an SUV
* Young Judaea, a Zionist youth movement
