Robert Witmer (born November 18, 1951, Williamsport, Pennsylvania, U.S.A.), American professor of English at Sophia University, Tokyo, Japan, from 1980 until 2022. Taught courses in poetry at Sophia University and Temple University Japan as well as Parvatibai Chowgule College of Arts and Science in Goa State, India. Has published in haiku journals since 2012, had work included in major anthologies since 2015, and authored two books of haiku, sequences, and prose pieces. Won First Place in the 2021 Haiku Poets of Northern California Tanka Contest and Honorable Mentions in three Robert Spiess Memorial Haiku Awards. Resides in Tokyo.