Monsters
- Ivory Bre'egth
- Ivory Bre'egth (cursed)
- Ivory Gromblod
- Ivory Gromblod (cursed)
- Ivory Shredflesh
- Ivory Shredflesh (cursed)
- Iwazaru
- Jabari
- Jack
- Jack Frost
- Jack Sails
- Jackal
- Jade the Unruly
- Jail guardBald
- Jail guardLong hair
- Jail guardMedium hair
- Jail guardShort hair
- Jailer
- Jake
- Jalal the Drunk
- Jaraah
- Jeff
- Jelly
- Jelly
- Jelly1
- Jelly2
- Jelly3
- Jelly4
- Jelly5
- Jelly6
- Jelly7
- Jelly8
- Jellyfish
- Jennella
- Jenny Blade
- Jeroen
- Jerrod apparition
- Jimmy
- Jogre
- Jogre1
- Jogre2
- Jogre3
- Jogre Champion
- Johanhus Ulsbrecht
- Jonny the beardNormal
- Jonny the BeardNew Varrock
- Joseph
- Jubbly bird