| Tiiu Aro | |
| Office: | Minister of Social Affairs |
| Primeminister: | Tiit Vähi Mart Siimann |
| Term Start: | 2 December 1996 |
| Term End: | 25 March 1999 |
| Predecessor: | Toomas Vilosius |
| Successor: | Eiki Nestor |
| Birth Date: | 18 June 1952 |
| Birth Place: | Kuressaare, Estonia |
Tiiu Aro (born June 18, 1952, in Kuressaare) is an Estonian physician and politician.
She is a former Minister of Social Affairs of Estonia,[1] having served in that position from 1996 to 1999. Her aunt, Marta Kivi (born 6 February 1912) is the oldest known living person in Estonia.[2]
From 1999 to 2009 she worked as Director General of the Estonian Health Inspection and on 1 January 2010 she became Director General of the Health Board.