The director of staff of the United States Space Force (SF/DS) is a senior leadership position in the United States Space Force held by a major general.

The director of staff is responsible for the supervision of key enterprise matters related to integrating and synchronizing policies, plans, positions, procedures, and cross-functional issues for the Office of the Chief of Space Operations (informally referred to as the "Space Staff"), interacting with Office of the Secretary of Defense, Joint Staff, Department of State, United States Congress, and other U.S. government and state agencies on correspondence and tasking issues.

[1] The organizational structure of the Space Force headquarters was first proposed in February 2020 with a director of staff held by a lieutenant general.

[3] On July 29, 2020, then-Major General Nina Armagno was nominated for the director of staff position.

[4] She was promoted on August 17, 2020, then becoming the inaugural director of staff of the U.S. Space Force.