The World Group II was the second-highest level of Fed Cup competition in 2015. The winning nations advanced to the World Group play-offs, and the losing nations relegated to the World Group II play-offs.

Netherlands vs. Slovakia

Netherlands 4	Omnisport Apeldoorn, Apeldoorn, Netherlands[1] 7–8 February 2015 Clay (indoors)		Slovakia 1
1 2 3 1 Kiki Bertens Anna Karolína Schmiedlová 2 6 5 7     2 Arantxa Rus Magdaléna Rybáriková 6 3 6 4     3 Kiki Bertens Magdaléna Rybáriková 6 1 2 6 6 1   4 Arantxa Rus Anna Karolína Schmiedlová 6 3 2 6 6 4   5 Richèl Hogenkamp / Michaëlla Krajicek Kristína Kučová / Kristína Schmiedlová 7 5 6 1

Romania vs. Spain

Romania 3	Danube Arena, Galați, Romania[2] 7–8 February 2015 Hard (indoors)		Spain 2
1 2 3 1 Simona Halep Sílvia Soler Espinosa 6 2 6 1     2 Irina-Camelia Begu Garbiñe Muguruza 3 6 2 6     3 Simona Halep Garbiñe Muguruza 4 6 3 6     4 Irina-Camelia Begu Sílvia Soler Espinosa 6 2 6 4     5 Irina-Camelia Begu / Monica Niculescu Garbiñe Muguruza / Anabel Medina Garrigues 5 7 6 3 6 2

Sweden vs. Switzerland

Sweden 1	Helsingborg Arena, Helsingborg, Sweden[3] 7–8 February 2015 Hard (indoors)		Switzerland 3
1 2 3 1 Rebecca Peterson Timea Bacsinszky 64 77 0 6     2 Johanna Larsson Belinda Bencic 1 6 2 6     3 Johanna Larsson Timea Bacsinszky 3 6 65 77     4 Rebecca Peterson Belinda Bencic       not played 5 Johanna Larsson / Rebecca Peterson Viktorija Golubic / Xenia Knoll 5 7 6 2 [10] [5]

Argentina vs. USA

Argentina 1	Pilara Tennis Club, Buenos Aires, Argentina[4] 7–8 February 2015 Clay (outdoors)		United States 4
1 2 3 1 Paula Ormaechea Venus Williams 3 6 2 6     2 María Irigoyen Serena Williams 5 7 0 6     3 Paula Ormaechea Coco Vandeweghe 6 4 6 4     4 María Irigoyen Venus Williams 1 6 4 6     5 Tatiana Búa / Nadia Podoroska Taylor Townsend / Coco Vandeweghe 2 6 3 6