Mariko Honda (本多 真梨子, Honda Mariko, October 3) is a Japanese seiyū (voice actress) from Kanagawa Prefecture. She is affiliated with Amuleto.

After graduating from Amusement Media Academy in 2008, she joined Production Ace. On May 10, 2013 she left the agency and, after a few months as a freelancer, she joined Amuleto on December 1. On October 3, 2020, her birthday, she opened a YouTube channel where she posts her daily life with her dog Kokoa. She also irregularly provides game commentary during her live shows.