Yoshiko Mikami (三上 美子 Mikami Yoshiko) is a minor character in the Baka to Test to Shoukanjuu series. She is Class 2-E's Ambassador in Fumizuki Academy. In the anime adaptation, her class and Class 2-F have the first Summoner Test War in their Year, and she is the first casualty, with her Summoned Being defeated by Minami Shimada's in a battle under Mathematics and her consequently taken to remedial classes by Souichi Nishimura.

Her Summoned Being wears a white wizard robe and sports a small clover hairpin, carries a pink bag with a sling over its right shoulder, and wields a large Spell book that can summon pink lasers and be used to smack other Beings.