Ruga may refer to:

• an anatomical fold
• Rugila
• Ruga, Nepal
• Rugae

• Silver Age of Russian poetry
• Silver Age of Russian Poetry
• Silver album
• Silver alloys
• Silver and Black
• Silver and Cold
• Silver and cold
• Silver and Deming
• Silver and gold
• Silver and Gold (ASAP album)
• Silver and Gold (song)
• Silveran Kanan
• Silver Anniversary Awards
• Silver Antelope
• Silver Antelope Award
• Silver Apples (album)
• Silver Apples of the Moon (Morton Subotnick album)
• Silver Ariel
• Silver Arrow (disambiguation)
• Silver as an investment
• Silver Asian arowana
• Silver Award
• Silver Award (Venturing)
• Silver azide
• Silver-backed Jackal