RC3, or variants may refer to:

• RC3: River City Cycling Classic, an cycling omnium in Eastern Washington, United States.
• RC3: precision running fits, a class of engineering fit used in the United States
• Republic RC-3 Seabee, an amphibious sports aircraft
• SJ Rc3, a model of SJ Rc class electric locomotive used in Sweden
• State Highway RC-3 (Puducherry), a state highway in Puducherry, India; see List of state highways in Puducherry
• RC3, one of six RC algorithms, symmetric-key encryption algorithms invented by Ron Rivesta
• rC3 (Remote Chaos Experience), remote events of the Chaos Communication Congress in 2020 and 2021
• RC3 or Reginald Cornelius III, a fictional character in Knight Rider (season 4)
• Roberto Carlos, Brazilian former professional footballer

• Release candidate, a software release version with potential to be a stable product
• RC (disambiguation)
• R3 (disambiguation)
• C3 (disambiguation)

Topics referred to by the same term

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