There are multiple origins and meanings for the name:
1. Scandinavian (Danish, Swedish and Norwegian) name Rysaland meaning - "of Russian lands"
2. Russian (East Slavic) first name (Руслан), derived from the Turkic words rus + aslan="Russian lion"
3. Comes from the Slavic word русый [rusy] - "blond, fair"
4. Turkic form of the Persian name Rustam
The name became popular after poem "Ruslan and Ludmila" (1820) by Aleksandr Pushkin.