Janine Greiner (born 13 February 1981) is a Swiss curler.

Greiner started curling in 1989.

She plays lead for Mirjam Ott and is right-handed.

[1] 2010 Vancouver Olympic Games Mirjam Ott, Skip Carmen Schäfer, Third Carmen Küng, Second Irene Schori, Alternate

This biographical article relating to curling in Switzerland is a stub.