Lacu
Lacu is the name of several places in Romania:
- Lacu (Buzău) , village in Buzău County
- Lacu (Cluj) , village in Cluj County
- Lacu Babei , village in Vaslui County
- Lacu Rezii , village in Brăila County
- Lacu Roșu , a village in Harghita County
- Lacu Sărat (Bihor) , village in Bihor County
- Lacu Sărat (Brăila) , village in Brăila County
- Lacu Sinaia , a village in Buzau County
- Lacu Turcului , village in Prahova County
- Lacu cu Anini , a village in Buzau County
- Lacu lui Baban , village in Vrancea County
Lacu is the name of:
- Alexander a Lacu (vom See; 1550–1613), abbot of the Wilhering and Garsten Abbey, before he was elected 53rd Abbot of the Kremsmünster Abbey
- Wilhelm de Lacu († 1450), abbot of the Auhausen monastery
