Valentine \v(a)-lenti-ne, val(en)-tine\ as a boy's name (also used as girl's name Valentine), is pronounced VAL-en-tyne. It is of Latin origin, and the meaning of Valentine is "strong, healthy". Variant of Valentinus, the name of more than 50 saints and three Roman emperors. Despite the popular Valentine's day, Saint Valentine himself has nothing to do with romantic love. Valentinus (VAL-en) is a short form.
For more information, see also the related name Valente.