Yuki Watanabe (渡邊 佑樹, Watanabe Yūki, born November 8, 1995) is a Japanese professional baseball pitcher for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).

On July 25, 2019, Watanabe pitched his debut game against the Saitama Seibu Lions as a relief pitcher.

On December 8, 2020, the Eagles re-signed him as a developmental player with an estimated salary of 5 million yen.

In 2022 season, Watanabe had a 2.13 ERA and one hold in 13 appearances and 12.2 innings, but the Eagles announced on October 22, that he was a free agent.

[6] On November 21, 2022, the Fukuoka Softbank Hawks announced that they had signed Watanabe as a developmental player.