Robert Baldwin Ross (25 May 1869 5 October 1918) was a British journalist, art critic and art dealer, best known for his relationship with Oscar Wilde, to whom he was a devoted friend and literary executor. A grandson of the Canadian reform leader Robert Baldwin, and son of John Ross and Augusta Elizabeth Baldwin, Ross was a pivotal figure on the London literary and artistic scene from the mid-1890s to his early death, and mentored several literary figures, including Siegfried Sassoon. His open homosexuality, in a period when male homosexual acts were illegal, brought him many hardships.
Ross was born in Tours, France. His mother, Elizabeth Baldwin, was the eldest daughter of Robert Baldwin, a Toronto lawyer and politician who in the 1840s, together with his political partner Louis Hippolyte Lafontaine, led Canada to autonomy from Britain. Ross's father, John Ross, was a Baldwinite and a Toronto lawyer who had a very successful political career