John Harris Soper (November 17, 1846, Plymouth, Devon, England - 1944) was Marshal of the Kingdom of Hawaii during the period of 1884-86 and 1888-90. A military man, he became Commander-in-chief of military forces of the Provisional Government of Hawaii in 1893; Adjutant General and Chief of Staff during the period of 1894-1907; and retired as Brigadier General of the National Guard of Hawaii in 1907, having previously served in the California National Guard. Also a businessman, he was President of Hawaiian News Company in Honolulu; and also managed Soper, Wright & Company, a sugar plantation, on ʻŌʻōkala, Hawaii. He served as honorary vice-president of the Societe des Sauveteurs du Dernier Adieu; and was a member of the Hawaiian Lodge No. 21, F. & A. M.. Soper married Mary Elizabeth Wunde