Frederick Chapin

Frederick or Frederic Chapin may refer to:


 * Frederick H. Chapin (1852–1900), American mountaineer and archaeologist
 * Frederic Chapin (1873–1947), American composer and screenwriter
 * Frederic L. Chapin (1929–1989), American diplomat
 * Frederick Emmons Chapin (1860–1923), American attorney and Supreme Court law clerk