Simon de Senlis
Simon de Senlis is the name of the following people:
- Simon I de Senlis († between 1111 and 1113), Earl of Northampton and Earl of Huntingdon
- Simon II. De Senlis († 1153), Earl of the Honor of Huntingdon and Northampton
- Simon III de Senlis (1138–1184), Earl of Northampton and Earl of Huntingdon