Rai
- Al Ra'i (Jordanian newspaper)
- Al Rai (Kuwaiti newspaper)
- Alrai TV
- Amsterdam RAI Exhibition and Convention Centre
- Amsterdam RAI station
- Bo Rai District
- Chiang Rai Province
- Giá Rai
- Islamic Republic of Iran Railways
- Lady Rai
- List of storms named Rai
- Mount Rai
- Praia International Airport
- RAI
- RAI Amsterdam Convention Centre
- Radioactive iodine uptake test
- Rai (2016 film)
- Rai (East Syrian Ecclesiastical Province)
- Rai (comics)
- Rai (surname)
- Rai (title)
- Rai (unit)
- Rai Bahadur
- Rai Benjamin
- Rai Cultura
- Rai Marchán
- Rai Purdy
- Rai Ragbir
- Rai Sahib
- Rai Sikh
- Rai Simons
- Rai Thistlethwayte
- Rai University
- Rai Vloet
- Rai dynasty
- Rai language (disambiguation)
- Rai people
- Rai stones
- Rai, Orne
- Rai, Sonipat
- Rai, South Khorasan
- Rainham railway station (Kent)
- Rao (disambiguation)
- Ray (disambiguation)
- Raí
- Raí (footballer, born 2002)
- Raï
- Raï (1995 film)
- Regia Aeronautica Italiana
- Rei (disambiguation)
- Rencontre Assyriologique Internationale
- Retailers Association of India
- Rey (disambiguation)
- Reynolds American Inc.
- Root analogue dental implant
- Royal Anthropological Institute of Great Britain and Ireland
- Rural Access Index
- Réseau Aérien Interinsulaire
- Thai poetry