Terttu Anneli Orvokki Saaristo (born 15 February 1949) is a Finnish singer and actress, best known internationally for her participation in the 1989 Eurovision Song Contest.

Saaristo first entered the Finnish Eurovision selection in 1978 with the song "Sinun kanssasi, sinua ilman", which finished fourth.

[2] Saaristo finally got her chance in 1989, when "La dolce vita" was chosen as the Finnish entry for the 34th Eurovision Song Contest, held in Lausanne, Switzerland on 6 May.

[3] A song with a distinctly Mediterranean sound and arrangement, "La dolce vita" finished in seventh place of 22 entries, representing Finland's best Eurovision placing for 14 years and making it at the time the country's joint second-highest placement.

In 2005, she appeared in the historical film Shadow of the Eagle with Mikko Leppilampi, Helena Vierikko and fellow Eurovision veteran Vesa-Matti Loiri.