RNU (disambiguation)

RNU or rnu may stand for:

• Republican Network for Unity, Northern Ireland
• Russian National Union, Russia
• Russian National Unity, Russia
• Russian National Unity (2000), Russia. Organization after the split with the founder A. Barkashov.
• RNU, Ranau Airport, Malaysia
• Radiodifusión Nacional del Uruguay
• rnu (Rowett nude), a hairlessness gene in laboratory rats