Since he had an anzaisho (temporary palace for a traveling Emperor) in Komatsu, Enshu region (present-day Komatsu, Hamakita Ward, Hamamatsu City, Shizuoka Prefecture), he was called Emperor Komatsu.
遠州小松（静岡県浜松市浜北区小松）に行在所があったので、小松天皇の贈り名がついた。