The 2016 Stockton Challenger was a professional tennis tournament played on outdoor hard courts. It was the second edition of the tournament and part of the 2016 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Stockton, California, United States, on 11–17 July 2016.

Country	Player	Rank1	Seed
USA	Nicole Gibbs	76	1
CZE	Kristýna Plíšková	107	2
BEL	Alison Van Uytvanck	127	3
POL	Urszula Radwańska	149	4
USA	Grace Min	151	5
USA	Taylor Townsend	154	6
CHN	Zhu Lin	162	7
USA	Sachia Vickery	180	8

• ¹ Rankings as of 27 June 2016.

The following player received a wildcard into the singles main draw:

• Kayla Day (withdrew)
• Michaela Gordon
• Ashley Kratzer
• Sanaz Marand

The following players received entry from the qualifying draw:

• Jennifer Elie
• Desirae Krawczyk
• Chanel Simmonds
• Caitlin Whoriskey

The following player received entry by a lucky loser spot:

• Priscilla Hon

The following player received entry by a protected ranking:

• Aleksandra Wozniak

• Alison Van Uytvanck def. Anastasia Pivovarova, 6–3, 3–6, 6–2

• Kristýna Plíšková / Alison Van Uytvanck def. Robin Anderson / Maegan Manasse, 6–2, 6–3

• 2016 Stockton Challenger at ITFtennis.com
• Official website