Ronald Speirs, Scottish-American colonel (b. 1920)
Lieutenant Colonel Ronald Charles Speirs (20 April 1920 – 11 April 2007) was a United States Army officer who served in the 506th Parachute Infantry Regiment of the 101st Airborne Division during World War II. He was initially assigned as a platoon leader in B Company of the 1st Battalion of the 506th Parachute Infantry Regiment. Speirs was reassigned to D Company of the 2nd Battalion prior to the invasion of Normandy in June 1944 and later assigned as commander of E Company during an assault on Foy, Belgium after the siege of Bastogne was broken during the Battle of the Bulge. He finished the war in the European Theater as a captain. Speirs served in Korea, as a major commanding a rifle company and as a staff officer. He later became the American governor for Spandau Prison in Berlin. He retired as a lieutenant colonel.

In the award-winning television miniseries Band of Brothers, he was portrayed by Matthew Settle.