Below is a list of non-immigrant visa categories obtained from the United States Citizenship and Immigration Services (USCIS) and the Department of State (DOS). Click on an individual visa type to learn more about the category and how to apply for a particular non-immigrant visa.
| A Visa | Foreign Government Officials (A1, A2 and A3) |
| B Visa | Temporary Visitors |
| B-1 | Visitor for business |
| B-2 | Visitor for pleasure: tourism, sightseeing, visiting relatives |
| C Visa | Foreign Nationals in Transit (C1, C1-D, C2, C3 and C4) |
| D Visa | Crewmen (D1 and D2) |
| E Visa | Treaty Traders and Investors (E1 and E2) |
| F Visa | Academic Students |
| F-1 | Student |
| F-2 | Spouse or child of F1 student |
| G Visa | Foreign Government Officials to International Organizations (G1- 5) |
| H Visa | Temporary Workers |
| H-1B | Engineers, scientists, specialty occupations, models, etc. |
| H-1C | Nurses working in health professional shortage areas |
| H-2A | Agricultural worker |
| H-2B | Temporary worker: skilled and unskilled |
| H-3 | Trainee |
| H-4 | Spouse or child of H1, H2 or H3 |
| I Visa | Foreign Media Representatives |
| J Visa | Exchange Visitors |
| J-1 | Exchange visitor |
| J-2 | Spouse or child of J1 |
| K Visa | Spouse or Fiance(e) of US Citizen |
| K-1 | Fiance(e) |
| K-2 | Minor child of K-1 |
| K-3 | Spouse of US citizen |
| K-4 | Child of K-3 |
| L Visa | Intracompany Transferee |
| L-1A | Executives, managers |
| L-1B | Specialized knowledge |
| L-2 | Spouse or child of L-1 |
| M Visa | Non-Academic Students |
| M-1 | Vocational, language, or other non-academic student |
| M-2 | Spouse or child of M-1 |
| N Visa | Special Immigrants (N-8 and N-9) |
| NAFTA Visa | North American Free Trade Agreement |
| NATO Visa | North Atlantic Treaty Organization (NATO1 to NATO-7) |
| O Visa | Workers with Extraordinary Abilities |
| O-1 | Extraordinary ability in science, arts, education, business or athletics |
| O-2 | Alien accompanying O-1 |
| O-3 | Spouse or child of O-1 or O-2 |
| P Visa | Athletes and Entertainers (P1, P2, P3 and P4) |
| Q Visa | International Cultural Exchange Visitors (Q1, Q2 and Q3) |
| R Visa | Religious Workers (R1 and R2) |
| S Visa | Witness or Informant (S-5 and S-6) |
| T Visa | Victims of Severe Form of Trafficking in Persons (T1 to T4) |
| TN Visa | Trade visas for Canadians and Mexicans |
| TD Visa | Spouse or child of TN |
| TPS Visa | Temporary Protected Status |
| TWOV Visa | Transit Without Visa (Passenger or Crew) |
| U Visa | Victims of Certain Crimes (U1 to U4) |
| V Visa | Certain Second Preference Beneficiaries |
| V-1 | Spouse of LPR with I-130 pending since before 12/21/2000 |
| V-2 | Child of LPR with I-130 pending since before 12/21/2000 |
| V-3 | Derivative child of V-1 or V-2 |