Joshua Martin "The Dentist" Neer (born March 24, 1983) is an American mixed martial arts fighter from Des Moines, IA. He trains with Miletich Fighting Systems in Bettendorf, IA. Neer is formerly an MFS (Miletich Fighting Systems) Elite fighter.

Neer began his professional career on March 15, 2003 by knocking out Josh Kennedy. Neer then won twice and drew once before losing his first fight to Spencer Fisher "The King" by split decision. After losing to Fisher, Neer won his next ten fights, including the XKK (Xtreme Kage Kombat) Welterweight Championship. Neer signed with the UFC and lost his first fight to Drew Fickett by submission at the inaugural Ultimate Fight Night. Neer fought his next three fights outside the UFC and went 2-1 before going back to the UFC.

Neer submitted Melvin Guillard at Ultimate Fight Night 2 and beat Joe Stevenson, who won the Welterweight division of The Ultimate Fighter 2 at Ultimate Fight Night 3. Neer then lost his next two fights, to Josh Burkman at UFC 61, and by submission to Nick Diaz at UFC 62. Again out of the UFC, Neer went 6-1 in his next seven fights before returning to defeat Din Thomas at UFC Fight Night: Florian vs Lauzon. He lost to Nathan Diaz in the main event at UFC Fight Night: Diaz vs Neer, but followed that defeat with a win at UFC Fight Night: Lauzon vs Stephens over The Ultimate Fighter: Team Hughes vs Team Serra winner, Mac Danzig, by triangle choke in the second round.

Neer has most recently signed a contract with Bellator to challenge lightweight champ Eddie Alvarez in his first title defense.