Rb 74, RB 74, Rb-74 or Rb.74 may refer to:

• Rubidium-74, an isotope of rubidium
• The Swedish designation for the AIM-9L Sidewinder air-to-air missile
• The Swedish designation for the AIM-9M Sidewinder air-to-air missile
• Service designation for the Senne Railway
• A regional railway route in Bavaria
• A regional railway route in Baden-Württemberg
• A regional railway route in Berlin and Brandenburg
• BAE Wolf, a tugboat in the Ecuadorian Navy

This disambiguation page lists articles associated with the title Rb 74.
If an internal link led you here, you may wish to change the link to point directly to the intended article.