Dubac may refer to:

• Dubac, Montenegro
• Dubac, a settlement in the Župa dubrovačka valley in Croatia

• Guyjeh Qaleh (disambiguation)
• Guyjeh Qal'eh-ye Olya
• Guyjeh Qaleh-ye Olya
• Guyjeh Qaleh-ye Sofla
• Guyjeh Qal'eh-ye Sofla
• Guyjeh Qamalaq
• Guyjeh Qamalaq, Maragheh
• Guyjeh Qamlan
• Guyjeh Qayah
• Guyjeh Yaran
• Guyjeh-ye Soltan
• Guy, John
• Guy Kabeya Muya
• Guy Kan
• Guy Kent
• Guy, Kentucky
• Guy Kharabeh
• Guy Kiala
• Guy Kibbee eggs
• Guy Kingsley Poynter
• Guy Krohg
• Guy Lacey
• Guy La Chambre
• Guy Lafleur Award of Excellence
• Guy Lagneau