Kyrie Irving (Duke); Derrick Williams (Arizona); Enes Kanter (Turkey); Brandon Knight (Kentucky); Kemba Walker (UConn); Jonas Valanciunas (Lithuania); Jan Vesely (Czech Republic); Kawhi Leonard (San Diego St.); Chris Singleton (Florida St.); Klay Thompson (Washington St.); Tristan Thompson (Texas); Jimmer Fredette (BYU); Marcus Morris (Kansas); and Alec Burks (Colorado).
A 15th name has been added -- Markieff Morris of Kansas. Markieff is Marcus Morris' twin and also widely considered to be a top 20 draft pick.
The only conspicuous name left off the list is Bismack Biyombo from Congo. Several others, including USC's Nikola Vucevic; Providence's Marshon Brooks; and Texas' Jordan Hamilton have an outside shot of cracking the lottery as well.
In the past, the NBA has expanded the list as the draft date draws closer.