Harald Magnus Hellström (2 March 1877 Pori – 4 May 1960 Helsinki) was a Finnish lawyer and diplomat. Hellström's parents were Fredrik Wilhelm Hellstöm and Hanna Elvira Roth. He graduated from the Lönnbeckska School in Helsinki in 1897 and studied at the University of Helsinki, completing a degree in law of 1900 and a general administrative degree in 1907. Hellström received the Master of Law in 1903. He later graduated as a Bachelor of Law in 1927 and a Licentiate of Law in 1948. Hellström was married since 1922 with Hjördis Elisabeth Finnila.