R4 (disambiguation)

R4 can refer to either a specific astromech droid model or one of several individual astromech droids.
==Individual droids==
===Canon===
*M5-BZ served as a member of D-Squad during the Clone Wars.
*R4 (Rebel Alliance)
*R4-D6
*R4-E1
*R4-F5
*R4-G77
*R4-G9 was the astromech assigned to Obi-Wan Kenobi following the destruction of his previous droid.
*R4-I9
*R4-M9
*R4-M1
*R4-P17, nicknamed Arfour, was an astromech droid assigned to Obi-Wan Kenobi during the Clone Wars.
*R4-P44
*R9-D9
*R4-D12
===Legends===
*M5-BZ was a member of D-Squad who was destroyed during the Clone Wars.
*R4-A22
*R4-B11
*R4-D1
*R4-D2
*R4-D6
*R4-E1
*R4-F5
*R4-G9 was the second astromech droid assigned to Obi-Wan Kenobi.
*R4-H5
*R4-I9
*R4-J1
*R4-J9
*R4-K5
*R4-M1
*R4-M17
*R4-M6
*R4-M9
*R4-P17, nicknamed Arfour, was the astromech droid assigned to Obi-Wan Kenobi during the Clone Wars.
*R4-P22 was the astromech droid attached to Anakin Skywalker's starfighter, Azure Angel.
*R4-P44
*R4-S2
*R4-T8
*R9-D9
==Droid models==
===Canon===
*R4 astromech droid
*R4-P Astromech
*R4 courier droid
===Legends===
*R4-series agromech droid
*R4-P