Monsters
- Yelps's bodyguardFirst bodyguard (wave 2)
- Yelps's bodyguardSecond bodyguard (wave 1)
- Yelps's bodyguardSecond bodyguard (wave 2)
- Yeti
- Yeti
- Yk'Lagor the Thunderous100
- Yk'Lagor the Thunderous103
- Yk'Lagor the Thunderous106
- Yk'Lagor the Thunderous109
- Yk'Lagor the Thunderous112
- Yk'Lagor the Thunderous114
- Yk'Lagor the Thunderous117
- Yk'Lagor the Thunderous120
- Yk'Lagor the Thunderous123
- Yk'Lagor the Thunderous126
- Yk'Lagor the Thunderous128
- Yk'Lagor the Thunderous131
- Yk'Lagor the Thunderous134
- Yk'Lagor the Thunderous138
- Yk'Lagor the Thunderous98
- Yor'Ger the Deceiver
- Yor'Ger the DeceiverNormal mode
- Yor'Ger the DeceiverStory mode
- Young Goebie
- Young Goebie
- Young Goebie
- Young Goebie
- Young grotworm
- Young Ralph
- Yt-HurKot
- Yt-MejKotFight Caves
- Yt-MejKotThe Brink of Extinction
- Yt-MejKotThe Elder Kiln
- Yukimura of Hanto
- Yuri
- Zabeth Corvid
- Zabeth Corvid
- Zakl'n Gritch
- Zamorak
- Zamorak
- Zamorak crafter
- Zamorak crafter
- Zamorak devotee
- Zamorak devotee
- Zamorak devotee
- Zamorak devotee
- Zamorak follower
- Zamorak follower