Lieutenant Colonel Sir Christopher Guy Dyke Acland, 6th Baronet LVO DL (born 24 March 1946) was a British Army officer and member of the British Royal Household.

Acland served with the 26th Field Regiment, Royal Artillery, in the British Army of the Rhine (BAOR) 1967–1970.

From 1981 to 1983 he was Commanding Officer of 'Q' (Sanna's Post) Battery, 5th Regiment Royal Artillery, in the BAOR.

Sir Guy then took his first post in the Royal Household, as equerry to Prince Philip, Duke of Edinburgh 1988–1990.

He was made an MVO in 1990, promoted to LVO in 1999, and is a Deputy Lieutenant of the Isle of Wight.