John Wallace Baird (/bɜːrd/; May 21, 1869 – February 2, 1919) was a Canadian psychologist. He was the 27th president of the American Psychological Association (1918). He was the first Canadian, and only the second non-American, to hold the office. He was also a founding editor of the Journal of Applied Psychology, and served in subordinate editorial capacities for Psychological Review, American Journal of Psychology, and the Journal of Educational Psychology. At his death in 1919, he was the designate to succeed Granville Stanley Hall as president of Clark University in Worcester, Massachusetts.