Count of Vermandois
The count of Vermandois was the ruler of the county of Vermandois.
Beneficiary counts of Vermandois
- Leodegar, Count of Vermandois.
- Emerannus, son of previous.
- Wagon I.
- Wagon II, son of previous.
- Garifrede.
- Ingomar, Count of Vermandois.
Beneficiary counts of Vermandois and abbots of Saint Quentin de Monte
- Bernard, son of Charles Martel, abbot of St Quentin de Monte.
- Jerome, brother of previous, count of Vermandois and abbot of St Quentin de Monte.
- Fulrad son of previous, abbot of St Quentin de Monte.
- Guntard, Count of Vermandois and then abbot of St Quentin de Monte.
- Hugh, son of Charlemagne, abbot of St Quentin de Monte.
- Adalard, Count of Vermandois, son of Gisla, granddaughter of Charlemagne, count of Vermandois and then abbot of St Quentin de Monte.
- Baldwin Iron Arm abbot of St Quentin de Monte.
- Teutricius and then abbot of St Quentin de Monte or Theodoric, Count of Vermandois, a descendant of Childebrand, brother of Charles Martel.
Carolingian counts
- Pepin I of Vermandois, son of Bernard, King of Italy
- unknown
- Pepin II of Vermandois
- Herbert I, Count of Vermandois, also count of Senlis
- Herbert II, Count of Vermandois
- Adalbert I, Count of Vermandois, lord of Péronne and St Quentin
- Herbert III, Count of Vermandois
- Adalbert II, Count of Vermandois
- Otto, Count of Vermandois
- Herbert IV, Count of Vermandois
- Adelaide, Countess of Vermandois
Capetian counts
[Image:Armoiries Vermandois.svg|thumb|100px|Coat of arms of the Capetian counts of Vermandois]- Hugh the Great, Count of Vermandois and Valois by marriage
- Ralph I, Count of Vermandois
- Ralph II, Count of Vermandois, son of Ralph I and Petronilla of Aquitaine
- Elisabeth, Countess of Vermandois
- Eleanor, Countess of Vermandois; died either childless or without any designated heirs, lands passed to French crown