Nicholas Segrave, 1st Baron Segrave (also Seagrave; c. 1238 – bef. 12 November 1295) was an English baronial leader. Nicholas was grandson of Stephen de Segrave.Segrave was one of the most prominent baronial leaders during the reign of King Henry III. On 4 August 1265 he was wounded at the Battle of Evesham and taken prisoner, however on the 1st July 1267 he was granted a pardon. In 1295 he was summoned to Parliament to be made a Baron. He died by the 12th November of the same year and was succeeded in the barony by his son John.