|Full name||Nir Welgreen|
|Born||17 December 1976|
|Highest ranking||No. 229 (14 October 1996)|
|Highest ranking||No. 163 (15 March 1999)|
Nir Welgreen (born 17 December 1976) is a former professional tennis player from Israel.
Born in 1976, Welgreen began competing in satellite tournaments in the 1992 season.
His best performances on the ATP Tour were second round appearances at both Long Island in 1996 and Tashkent in 1997. At Tashkent he also made the semi-finals of the doubles in 1998, Vadim Kutsenko.
He won three ITF singles titles, two in Turkey and one in Ireland.
In doubles he had a top 200 ranking and claimed two Challenger titles.
|1.||1998||Ahmedabad, India||Hard||Noam Okun|| Noam Behr
|3-6, 6-0, 6-4|
|2.||1999||Calcutta, India||Grass||Andy Ram|| Grégory Carraz