The following college and international players have declared for the 2015 NBA Draft:
College players
- Cliff Alexander, Kansas, 6-8, Freshman
- Justin Anderson, Virginia, 6-6, Junior
- Brandon Ashley, Arizona, 6-9, Junior
- Devin Booker, Kentucky, 6-6, Freshman
- Willie Cauley-Stein, Kentucky, 7-0, Junior
- Sam Dekker, Wisconsin, 6-9, Junior
- Michael Frazier II, Florida, 6-4, Junior
- Olivier Hanlan, Boston College, 6-4, Junior
- Montrezl Harrell, Louisville, 6-8, Junior
- Aaron Harrison, Kentucky, 6-6, Sophomore
- Andrew Harrison, Kentucky, 6-6, Sophomore
- Tyler Harvey, Eastern Washington, 6-4, Sophomore
- Jerome Hill, Gardner-Webb, 6-5, Junior
- Rondae Hollis-Jefferson, Arizona, 6-7, Sophomore
- R.J. Hunter, Georgia State, 6-5, Junior
- Vince Hunter, UTEP, 6-8, Sophomore
- Charles Jackson, Tennessee Tech, 6-10, Junior
- Dakari Johnson, Kentucky, 7-0, Sophomore
- Stanley Johnson, Arizona, 6-7, Freshman
- Tyus Jones, Duke, 6-1, Freshman
- Trevor Lacey, N.C. State, 6-3, Junior
- Kevon Looney, UCLA, 6-9, Freshman
- Trey Lyles, Kentucky, 6-10, Freshman
- Jarell Martin, LSU, 6-10, Sophomore
- Chris McCullough, Syracuse, 6-10, Freshman
- Jordan Mickey, LSU, 6-8, Sophomore
- Jahlil Okafor, Duke, 6-11, Freshman
- Kelly Oubre, Kansas, 6-7, Freshman
- Ashton Pankey, Manhattan, 6-10, Junior
- Cameron Payne, Murray State, 6-2, Sophomore
- Terran Petteway, Nebraska, 6-6, Junior
- Walter Pitchford, Nebraska, 6-10, Junior
- Bobby Portis, Arkansas, 6-11, Sophomore
- Michael Qualls, Arkansas, 6-6, Junior
- Terry Rozier, Louisville, 6-1, Sophomore
- D’Angelo Russell, Ohio State, 6-5, Freshman
- Satnam Singh, IMG Academy, 7-1, Post-Graduate
- Jherrod Stiggers, Houston, 6-5, Junior
- Deonta Stocks, West Georgia, 6-1, Sophomore
- Aaron Thomas, Florida State, 6-5, Junior
- J.P. Tokoto, North Carolina, 6-6, Junior
- Karl-Anthony Towns, Kentucky, 6-11, Freshman
- Myles Turner, Texas, 6-11, Freshman
- Robert Upshaw, Washington, 7-0, Sophomore
- Rashad Vaughn, UNLV, 6-6, Freshman
- Chris Walker, Florida, 6-10, Sophomore
- Justise Winslow, Duke, 6-6, Freshman
- Christian Wood, UNLV, 6-11, Sophomore
by NBA Draft Room