Rorer or Rörer may refer to:
People Georg Rörer (1492–1557), Lutheran reformer and pastor Posey Rorer (1891–1936), American fiddler Sarah Tyson Rorer (1849–1937), American pioneer in the field of domestic science Rorer A. James (1859–1921), U.S. Representative from Virginia
Other uses Rorer, a pharmaceutical company founded in 1910 and acquired by Rhône-Poulenc in 1990 Rorer, West Virginia, United States, an unincorporated community