Ly Seppel (born 30 April 1943) is an Estonian poet and translator.

She studied Estonian philology there and Turkic languages in Baku and Moscow.

In addition, she has appeared as a lyric translator from various Turkic languages (Turkish, Azerbaijani, Uzbek, Kazakh, Tatar and Turkmen), Russian and Finnish.

With her husband, she translated a selection of stories from One Thousand and One Nights into Estonian from Russian in 1984.

Seppel married the Estonian poet Andres Ehin in 1975.