Rebel

Rebel may refer to:
==Human==
*Frieden Rebels: A secessionist faction that fought against the UN in the Interplanetary War.
*Koslovic Rebels: The neo-Communist faction that fought against the UN in the Interplanetary War.
*Insurrectionists: The general name for rebels during the Insurrection.
**Secessionist Union: A rebel union on Harvest led by Jerald Mulkey Ander.
**Unnamed Rebel Group: An unknown rebel group that resides on Harvest and Arcadia.
**United Rebel Front: The larger faction of human rebels united against the UNSC government.
***Eridanus Rebels: The faction of human rebels in the Eridanus system.
**New Colonial Alliance: A rebel group that formed in the aftermath of the Human-Covenant war.
==Covenant==
*Sesa 'Refumee's separatist faction: A breakaway faction that follows Sesa 'Refumee and rejects the Covenant's belief in the Great Journey.
*Covenant Separatists: An Elite-led faction that fought against the Covenant, after the Great Schism ejected them from the hegemony.
*Unggoy Rebellion: A Grunt-led uprising against the rest of the Covenant which led to the creation of an Arbiter.