Aimlessness may refer to:

• Aimlessness (Buddhism), apraṇihita
• Aimless wandering, samsara
• Aimlessness (album)

• William Rossa Cole
• William Ross (cricketer)
• William Ross (footballer, born 1874)
• William Rossiter House
• William Ross Knight
• William Ross Knudsen
• William Ross (loyalist)
• William Ross MacLean
• William Ross (Star Trek)
• William Rotheram
• William Rough
• William Rougham
• William Rounsevell
• William Rous (14th-century MP)
• William Rous (14th century MP)
• William Rous (died c. 1635)
• William Rous (died c.1635)
• William Rous (disambiguation)
• William Rouse
• William Roush
• William Rous (MP)
• William Rousseau
• William Rowan (biologist)
• William Rowe (athlete)
• William Rowell