So'oialo is a surname, and may refer to:

• James So'oialo (born 2 March 1989), Samoan rugby union footballer, brother of Rodney and Steven
• Rodney So'oialo (born 3 October 1979), New Zealand rugby union player, brother of James and Steven
• Steven So'oialo (born 11 May 1977), Samoan rugby union footballer, brother of James and Rodney

• Karłowice Wielkie
• Karłowo
• Karłowo, Bytów County
• Karłowo (disambiguation)
• Karłowo, Masovian Voivodeship
• Karłowo, Pomeranian Voivodeship
• Karłowo, Warmian-Masurian Voivodeship
• Karścino
• Karśnice
• Karşılaşma
• Karşıyaka Arena
• Karşıyaka (disambiguation)
• Karşıyaka railway station
• Karżcino
• Karżniczka
• Kar’yery
• K.A.S
• K. A. S
• K A S
• KA S
• KASA-AM
• Kasab
• Kasaba (1997 film)
• Kasabach-Merritt syndrome
• Kasabaköy