Frederick, Count of Saarbrücken (died 1135) was a German nobleman. He was the first to style himself Count of Saarbrücken.
Life
His father, Siegbert, was a count in the Saargau; his mother may have been a daughter of the Lord of Eppenstein. His brother Bruno was Bishop of Speyer; his brother Adalbert I was Archbishop-Elector of Mainz.
In 1105 Frederick inherited his father's position. In 1118, he was called Count of Saarbrücken for the first time. He was vassal of the Bishop of Metz.
Marriage and issue
Frederick was married to Gisela of Lorraine, who brought possessions around Hornbach Abbey into the marriage. They had three children: Agnes, married to Duke Frederick II of Swabia Simon I, his successor Adalbert II, was Archbishop-Elector of Mainz from 1138 to 1141.