Ema Saiko (?? ??, 1787–1861) was a Japanese painter, poet and calligrapher celebrated for her Chinese-style art in the late Edo period.
Her specialisation as a bunjin, a painter of Chinese-style art using monochrome ink, was the bamboo plant which she perfected and which inspired her nome de plum.
Her kanshi poetry is known for being self-reflective and having autobiographical quality.
She was one of the most well-known and most praised Japanese artists of her age.