RNB may refer to:

• Nankai Broadcasting (Radio Nankai Broadcasting), a broadcasting station in Ehime Prefecture, Japan

• Russian National Library

• RNB Global University, in Bikaner, Rajasthan, India

• "RNB" (song), a song by Young Dolph featuring Megan Thee Stallion from the album Rich Slave (2020)

See also

• R&B, rhythm and blues music