Captain and Bimbashi Henry Evered Haymes SBStJ MRCS LRCP (17 March 1872 – 15 March 1904), was a British surgeon in the Royal Army Medical Corps, known chiefly for his service in Egypt and the Sudan. He was Senior Medical Officer and one of the original explorers of the Bahr-el-Ghazal region in what is now South Sudan, instrumental in containing a cholera pandemic in Alexandria in 1902, and later Inspector of the Bahr el Ghazal.