Lu Hsien-yi (Chinese: 盧縣一; born 28 April 1968) is a Taiwanese physician and politician of Paiwan and Rukai descent. He was elected to the Legislative Yuan in 2024.

Lu's mother is of Paiwan descent, while his father is of Rukai ancestry.^[1] In the Rukai language, Lu is known by the name Sasuyu Ruljuwan.^[2] He was raised in Majia, Pingtung.^[3]

After graduating from Kaohsiung Medical College, Lu practiced medicine for nearly three decades in his native Pingtung County, including at the Ministry of Health and Welfare Pingtung Hospital [zh].^[1]

In July 2023, Lu was nominated by the Kuomintang as a candidate for the 2024 legislative election representing the multi-member Highland Aborigine Constituency.^[4] He finished ahead of incumbent legislator Kung Wen-chi [zh] in the election,^[5] and took office as a member of the 11th Legislative Yuan on 1 February 2024. In April 2024, the Democratic Progressive Party accused the Kuomintang of rigging a legislative vote on pension reform, as Lu had not signed in, but had a vote registered in his name during the first round, then abstained from the following two rounds. Lu later confirmed that, at the time of all three votes, he was visiting China.^[2]