The name Oda is a girl's name of Scandinavian origin. Oda and is often added to lists like Girl Names Uncommon in the US and discussed in our forums with posts like "Drop you least favourite (girls with middles)".
From the experts:
Ada, yes. Ida, maybe. But Oda, a Scandinavian version of Odelia, not really. To English speakers, it sounds too much like "odor".