| Sir John Esplen | |
| Birth Date: | 1863 |
| Birth Place: | Liverpool, England |
| Nationality: | British |
| Occupation: | Shipbuilder |
Sir John Esplen, 1st Baronet, (1863 – 7 February 1930) was an English shipbuilder.
Esplen was born in Liverpool, England, the son of William Esplen, a consulting engineer and naval architect. He was educated at Liverpool College and then joined the Liverpool engineering firm of Fawcett Preston, afterwards transferring to Earles' Shipbuilding Co of Hull. He then became a partner in his father's firm and helped to establish branches of the office in London, Cardiff, Buenos Aires, New York City and Montevideo. He finally became chairman of Esplen & Sons Ltd of Liverpool and Esplen, Son & Swainston Ltd of London, and was a director of many other shipbuilding and shipping companies.
During the First World War he served as director of oversea ship purchase at the Ministry of Shipping, and continued as chief professional adviser into the 1920s. For his work for the Ministry of Shipping he was appointed Knight Commander of the Order of the British Empire (KBE) in 1918 and in the June 1921 civil service honours, he was created a baronet of Hardres Court in the County of Kent, with the letters patent issued on 14 July 1921.
His name lives on in Esplen Avenue, Crosby.
| Escutcheon: | Per chevron Sable and Argent in chief two spearheads of the second and in base a lymphad of the first. |
| Crest: | Upon two spears in saltire Argent headed Gules a bee volant Or. |
| Supporters: | Dexter a dragon Gules gorged with a collar Argent charged with a spearhead Sable, sinister a seahorse Argent maned finned and tufted Or gorged with a colalr Sable charged with a spearhead Argent. |
| Motto: | Animo Et Fidi[1] |