Porphy no Nagai Tabi (ポルフィの長い旅, Porufi no Nagai Tabi, lit. The Long Journey of Porphy) is a Japanese anime series by Nippon Animation, as the 2008 installment of the famed World Masterpiece Theater series. It is an adaptation of Paul-Jacques Bonzon's novel, Les Orphelins de Simitra (The Orphans of Simitra).

It premiered across Japan from 6 January 2008 on Fuji TV's BS Fuji broadcast satellite network, and also aired in Japan on Animax. It spanned 52 episodes.