Shelley Leopold Laurence Scarlett, 5th Baron Abinger (1 April 1872 – 23 May 1917) was a British peer and military officer.

In 1904, a Royal Warrant of Precedence was issued, which allowed Scarlett's siblings (Robert, Hugh, Ruth, Percy, and Leopold) to be styled The Honourable.

[2] Scarlett served in the First World War from 1914, holding the rank of captain and honorary major in the 3rd Battalion, Bedfordshire Regiment.

[1] On 17 October 1915, Scarlett was awarded a temporary commission in the Royal Naval Volunteer Reserve with the honorary rank of commander.

They had no children, and he was succeeded as Lord Abinger by his brother Robert.