This thesis investigates the possibility of love in twentieth-century French thought, focusing in particular on Jean-Paul Sartre’s early philosophy and Jacques Lacan’s psychoanalysis. I explore the philosophical status and metaphysical (im)possibility of love to advance my central argument that Sartre’s impossible notion of en soi pour soi developed in L’Être et le néant (1943) resurfaces in Lacan’s later psychoanalysis, notably in Encore (1975), as jouissance féminin...