Philaccolilus is a genus of beetles in the family Dytiscidae, containing the following species:
- Philaccolilus ameliae <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus aterrimus <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus bacchusi <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus bellissimus <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus bicinctus <small>(Régimbart, 1892)</small>
- Philaccolilus incognitus <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus irianensis <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus kokodanus <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus mas <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus mekus <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus ramuensis <small>Balke, Larson, Hendrich & Konyorah, 2000</small>
- Philaccolilus speciosus <small>(Régimbart, 1892)</small>
References