Haralds Blaus (Latvian: "Haralds Blaus", ; 6 February 1885 – 4 June 1944) was a Latvian sports shooter of Baltic German origin who competed in the 1912 Summer Olympics representing Russia. He won the bronze medal in the trap event. He also competed in the 100 metre running deer, single shots event finishing 20th and as part of the 100 metre running deer, single shots team finishing fifth.