The Ellerman Baronetcy, of Connaught Square in the Metropolitan Borough of Paddington, was a title in the Baronetage of the United Kingdom. It was created on 11 December 1905 for the shipowner and investor John Ellerman. His only son, the second Baronet, was a natural historian and philanthropist. The title became extinct on the latter's death in 1973. Annie Winifred Ellerman, better known under the pen name Bryher, daughter of the first Baronet, was a novelist, poet, memoirist, and magazine editor.