Ikuro Takahashi (高橋 郁郎, Takahashi Ikurō, 1892–1981) was a Japanese botanist, specializing in citrus, who was hailed as the "father of citrus" especially in his native Shizuoka Prefecture. After graduating from the prefectural nōgakko (ja) or "agricultural college," he enrolled in the apprenticeship/internship system established by the then-Ministry of Agriculture and Commerce, and learned his skills at the local state-run agricultural experiment station under the Horticultural Department. After a stint in Kumamoto Prefecture, he returned to the old department which was being reorganized as the ministerial Horticultural Experiment Station, where he served as horticultural engineer (1921). Later he served his home prefecture, and was appointed the first head of the Shizuoka Prefectural Citru