Kenjiro Ota is a minor but memorable character in the space opera anime series Uchū Senkan Yamato 2199, including its compilation film Tsuioku no Kōkai. He serves as a junior officer aboard the space battleship Yamato.

Born in Osaka, Ota is twenty-one years old and holds the rank of Ensign, which is equivalent to a Third-grade Space Lieutenant. His official position on the ship is the Chief of Weather, a role within the navigation division. His primary duties involve observing and reporting on space weather phenomena and tracking the Yamato's trajectory information, which is essential for safe navigation through the unknown reaches of the galaxy.

In terms of personality, Ota is characterized by his bright and cheerful disposition. He functions as a mood-maker among the crew, helping to maintain morale during the Yamato's long and perilous journey. His optimistic nature provides a contrast to some of the more serious and intense members of the bridge staff.

While Ota does not have a central role in the main plot, he is part of the large, diverse ensemble that makes up the Yamato's crew. His key relationships are primarily with his fellow junior officers and the command staff he works alongside in the navigation division. His role is to support the ship's operations and contribute to the overall functionality of the vessel as it undertakes its critical mission. He does not have a significant character development arc of his own but remains a consistent and reliable member of the crew throughout the story. Aside from his specialized knowledge in space weather and navigation, Ota does not possess any extraordinary or unique abilities beyond his professional competence as a Cosmo Navy officer.