Paavo Emil Cajander (24 December 1846 – 14 June 1913) was a Finnish poet and translator.
Cajander was born in Hämeenlinna on December 24, 1846 to Frans Henrik Cajander and Maria Sofia Ylén. He was renowned for his translation into Finnish of Shakespeare's works and of Johan Ludvig Runeberg's The Tales of Ensign Stål, whose first verse is currently the Finnish national anthem. Cajander died in Helsinki on June 14, 1913. He is buried within the Hietaniemi Cemetery in Helsinki, Finland.