Lagonglong, officially the Municipality of Lagonglong, is a 5th class municipality in the province of Misamis Oriental, Philippines. According to the 2015 census, it has a population of 21,659 people.

Lagonglong is politically subdivided into 10 barangays.

• Banglay
• Dampil
• Gaston
• Kabulawan
• Kauswagan
• Lumbo
• Manaol
• Poblacion
• Tabok
• Umagos