Wanna Know may refer to:

• "Wanna Know", a song from the album Second Round's on Me by Obie Trice
• "Wanna Know", a song by UK rapper Dave remixed by Drake in 2016
• "Wanna Know" (Meek Mill song)

• Saitou Aki
• Saitou Akira
• Saitou Chiwa
• Saitou Dousan
• Saitou Kaede
• Saitou Rin
• Saitou Sakae
• Saitov
• Saitozaki Station
• Sai Tso Wan (disambiguation)
• Saitta River
• Sa Itte Miyo
• SAIT Trojans
• Saitô Hajime (Rurouni Kenshin)
• Saitō Chiho
• Saitō Chikudō
• Saitō Dōzan
• Saitō Ichirō
• Saitō Kiyoshi
• Saitō Myōchin
• Saitō Rin
• Saitō Ryokū
• Saitō Sakae
• Saitō Takao (politician)
• Saitō Toshimasa