William Rosenbir Garcia (March 28, 1877 – August 12, 1951) was an American track and field athlete who competed in the 1904 Summer Olympics.^[1]

In 1904, he did not finish the marathon competition.^[2] He made it 19 miles before he started coughing up blood on the side of the street. If a passing bystander hadn't found him, Garcia may have died.^{[citation needed]}