RBSP may refer to:

• Radiation Belt Storm Probes, a NASA mission studying the effects of solar activity on relativistic ions and electrons
• Raw byte sequence payload, a syntax structure for the H.264/MPEG-4 AVC video compression standard

• Walter Morse Rummel
• Walter Mosca
• Walter Motz
• Walter Moyse
• Walter M. Pierce
• Walter M. Schirra
• Walter Mueller
• Walter Muir Whitehill
• Walter Mumma
• Walter Munk
• Walter M. Urbain
• Walter Murdoch
• Walter Murray
• Walter Murray Collegiate
• Walter Murray Gibson
• Walter M. "Wally" Schirra
• Walter M Williams High School
• Walter M. Williams High School
• Walter Myers
• Walter Myln
• Walter Mytton Colvin
• Walter Nahún López
• Walter Nairn
• Walter Napier Beckett
• Walter Napier Thomason Beckett