Bertrand \b(e)-rtra-nd, ber(t)-rand\ as a boy's name is pronounced BER-trand, ber-TRAND. It is of Old French origin. Medieval French variant of Bertram (Old French, Old German) "bright raven", brought to Britain by the Normans. A saint's name. Philosopher Bertrand Russell.
Bertrand has 1 variant form: Bertrando.
For more information, see also the related name Beltran.