Adalbero or Adalberon (French: Adalbéron) is a masculine given name, a variant of Adalbert, derived from the Old High German words adal "noble" and beraht - "bright". It may refer to:
Adalbero I of Metz (died 962), bishop
Adalbero II of Metz (died 1005), bishop
Adalbero (archbishop of Reims) (died 989)
Adalberon (bishop of Laon) (died 1030/31)
Adalbero, Duke of Carinthia (c. 980 – 1039)
Adalbero III of Luxembourg (c. 1010 – 1072), bishop of Metz
Adalbero of Styria (died 1086/87), margrave
Adalbero of Würzburg (died 1090), bishop and saint
Adalberon, Bishop of Trent (reigned 1084–1106)
