Spencer was a member of the
England under-20 squad that finished seventh at the
2012 IRB Junior World Championship in
South Africa. In January 2012, Spencer scored a try on his debut for the
England A side in a victory against
Ireland Wolfhounds. Spencer was included in the senior England squad for their
2018 tour of South Africa. On 9 June 2018 he made his senior
England international debut, arriving from the bench as a replacement for
Ben Youngs during the first test defeat against
South Africa at
Ellis Park Stadium. Spencer was an unused substitute in the last test of the tour as England lost the series 2–1. Spencer was initially not selected for the
2019 Rugby World Cup however he was called up after
Willi Heinz was ruled out of the tournament due to suffering an injury during the semi-final against
New Zealand. Spencer made his only appearance of the competition coming on as a substitute for Ben Youngs in the
final which England lost against South Africa to finish runners up. In October 2024, having previously always played off the bench for England, Spencer was named as a starter for the first time for the
2024 Autumn Nations Series fixture against New Zealand. Subsequently, in January 2025, following injuries to
Alex Mitchell and
Jack van Poortvliet, Spencer was recalled into the senior training squad ahead of the
2025 Six Nations although ultimately did not play in that tournament. Spencer was included in the squad for the
2025 tour of Argentina. He started in the opening test win against
Argentina which was his first victory at international level on his ninth cap. Spencer also played in their next match which England won to complete a series victory. == Honours ==