Philippe de La Harpe (1 April 1830, Paudex – 25 February 1882, Lausanne) was a Swiss physician known for research in the fields of geology and paleontology.
He studied medicine in Bonn, Berlin, Prague, Vienna and Lyon, then received his doctor-surgeon licence from the University of Bern in 1854.
He spent the winter of 1855/56 in England, where he made the acquaintance of several geologists, then settled as a doctor in Lausanne during the spring of 1856.
In Lausanne, he worked as a physician for the remainder of his life, being very active in medical research and a member of various professional groups.For several years, he was curator of the canton's geological and mineralogical collections (1858-1863).