Emperor Gong (恭帝 Gongdi, "Reverent Emperor") may refer to:

• Emperor Gong of Jin (386–421)
• Emperor Gong of Western Wei (537–557)
• Yang You (605–619), referred to as Emperor Gong of Sui
• Yang Tong (605–619), Yang You's brother, sometimes also referred to as Emperor Gong of Sui
• Chai Zongxun (953–973), Emperor Gong of Later Zhou
• Emperor Gong of Song (1271–1323?)

• Wilhelm of Brunswick-Lüneburg-Göttingen
• Wilhelm of Cleves
• Wilhelm of Herle
• Wilhelm of Hirsau
• Wilhelm of Jülich-Cleves-Berg
• Wilhelm of Luxembourg
• Wilhelm of Modena
• Wilhelm of Prussia (disambiguation)
• Wilhelm of Sudermania
• Wilhelm of Sweden
• Wilhelm of the Palatinate-Zweibrucken
• Wilhelm of the Palatinate-Zweibrücken
• Wilhelm of Wied
• Wilhelm Ohlandt
• Wilhelm Ohnesorge
• Wilhelm Olbers Focke
• Wilhelm Olivier Leube
• Wilhelm Omsted
• Wilhelm Orlik-Ruckemann
• Wilhelm Orlik-Rueckemann
• Wilhelm Orthmann
• Wilhelm Osterhold
• Wilhelm Otto Kuehne
• Wilhelm Otto von Königsmarck
• Wilhelmow