Julius Stjernvall (26 October 1874 – 6 May 1939) was a Finnish engineer, businessman and vuorineuvos. Stjernvall worked as manager in Finnish branch of Siemens & Halske 1904–1914 and subsequently in Kone ja Silta until 1929; the company grew during his time through new products and acquisitions. He was Minister of Trade and Industry in the short-lived Lauri Ingman's cabinet in 1918–1919