Diego de León may refer to:

• Diego de León, 1st Count of Belascoáin (1807–1841), Spanish military figure
• Diego de León (Madrid Metro), a station of the Madrid Metro

• Susanville, CA
• Susanville, California
• Susan V. Smith
• Susan Walters
• Susan ward
• Susan Ward
• Susan Warner
• Susan Watts
• Susan Weber (historian)
• Susan Werner
• Susan Whelan
• Susan Williams (triathlete)
• Susan Wittig Albert
• Susan Wooldridge
• Susan Yeagley
• Susanô
• Susa, Piedmont
• Susaram
• Susa Rayonu
• Susarion
• Susa Sahari
• SUSAT
• Susato (disambiguation)
• Susa, Yamaguchi
• Susaye greene