Rotch may refer to
Birds Rotch or rotche, common names for the little auk
Surname Abbott Lawrence Rotch (1861–1912), American meteorologist Arthur Rotch (1850–1894), American architect Edith Rotch (1874–1969), American tennis player Benjamin Rotch (1794–1854), British barrister, politician and author Francis J. Rotch (1863–1918), American politician from Washington State Francis M. Rotch (1822–1863), American politician from New York Thomas Morgan Rotch (1849–1914), American pediatrician
See also Roch (disambiguation)