Foreign Government Officials (A Visa)

• A-1 visa: Ambassador, public minister, career, diplomatic or consular officer, and members of immediate family.
• A-2 visa: Other foreign government official or employee, and members of immediate family.
• A-3 visa: Attendant, servant, or personal employee of A-1 and A-2, and members of immediate family.

Temporary Visitors (B Visa)

• B-1 visa:Temporary visitor for business
• B-2 visa: Temporary visitor for pleasure
• Visa Waiver Program

Aliens in Transit (C-Visa)

• C-1 visa: Alien in transit directly through U.S.
• C-1D visa: Combined transit and crewman visa
• C-2 visa: Alien in transit to UN headquarters district under Section 11.(3), (4), or (5) of the Headquarters Agreement
• C-3 visa: Foreign government official, members of immediate family, attendant, servant, or personal employee, in transit
• C-4 visa: Transit without Visa, see TWOV

Crewmen (D Visa)

• D-1 visa: Crewmember departing on same vessel of arrival
• D-2 visa: Crewmember departing by means other than vessel of arrival

Treaty Traders and Treaty Investors (E Visa)

• E-1 visa: Treaty Trader, spouse and children
• E-2 visa: Treaty Investor, spouse and children
• E-3 visa: Visa for which only citizens of Australia are eligible

Academic Students (F Visa)

• F-1 visa: Academic Student
• F-2 visa: Spouse or child of Academic Student with F-1 visa
  

Foreign Government Officials to International Organizations (G Visa)

• G-1 visa: Principal resident representative of recognized foreign member government to international organization, and members of immediate family.
• G-2 visa: Other representative of recognized foreign member government to international organization, and members of immediate family.
• G-3 visa: Representative of non-recognized or nonmember government to international organization, and members of immediate family
• G-4 visa: International organization officer or employee, and members of immediate family
• G-5 visa: Attendant, servant, or personal employee of G-1, G-2, G-3, G-4, or members of immediate family

Temporary Workers (H Visa)

• H-1B visa: Specialty Occupations, DOD workers, fashion models
• H-1C visa: Nurses going to work for up to three years in health professional shortage areas
• H-2A visa: Temporary Agricultural Worker
• H-2B visa: Temporary worker: skilled and unskilled
• H-3 visa:    Trainee
• H-4 visa:    Spouse or child of H-1, H-2, H-3

Foreign Media Representatives (I Visa)

• I visa: Visas for foreign media representatives

Exchange Visitors (J Visa)

• J-1 visa: Visas for exchange visitors
• J-2 visa: Spouse or child of J-1

Fiance(e) of US Citizen (K Visa)

• K-1 visa: Fiance(e)
• K-2 visa: Minor child of K-1
• K-3 visa: Spouse of a U.S. Citizen (LIFE Act)
• K-4 visa: Child of K-3 (LIFE Act)

Intracompany Transferee (L Visa)

• L-1A visa: Executive, managerial
• L-1B visa: Specialized knowledge
• L-2 visa: Spouse or child of L-1

Vocational and Language Students (M Visa)

• M-1 visa: Vocational student or other nonacademic student
• M-2 visa: Spouse or child of M-1
• N-8 visa: Parent of alien classified SK-3 “Special Immigrant”
• N-9 visa: Child of N-8, SK-1, SK-2, or SK-4 “Special Immmigrant”
• NAFTA visa: North American Free Trade Agreement (NAFTA) (see TN, below)

Workers with Extraordinary Abilities (O Visa)

• O-1 visa: Extraordinary ability in Sciences, Arts, Education, Business, or Athletics
• O-2 visa: Alien’s (support) accompanying O-1
• O-3 visa: Spouse or child of O-1 or O-2

Athletes and Entertainers (P Visa)

• P-1 visa: Individual or team athletes
• P-1 visa: Entertainment groups
• P-2 visa: Artists and entertainers in reciprocal Exchange programs
• P-3 visa: Artists and entertainers in culturally unique programs
• P-4 visa: Spouse or child of P-1, 2, or 3

International Cultural Exchange Visitors (Q Visa)

• Q-1 visa: International cultural exchange visitors
• Q-2 visa: Irish Peace Process Cultural and Training Program (Walsh Visas)
• Q-3 visa: Spouse or child of Q-2

Religious Workers (R Visa)

• R-1 visa: Religious workers
• R-2 visa: Spouse or child of R-1

Witness or Informant (S Visa)

• S-5 visa: Informant on criminal organization
  
• S-6 visa: Informant of terrorism
  

Victims of  Human Trafficking (T Visa)

• T-1 visa: Victim of a severe form of trafficking in persons
• T-2 visa: Spouse of a victim of a severe form of trafficking in persons
• T-3 visa: Child of victim of a severe form of trafficking in persons
• T-4 visa: Parent of victim of a severe form of trafficking in persons (if T-1 victim is under 21 years of age)

North American Free Trade Agreement (NAFTA Visa)

• TN visa: Trade visas for Canadians and Mexicans
• TD visa: Spouse or child accompanying TN

Transit Without Visa

• TWOV visa: Passenger
• TWOV visa: Crew

Victims of Certain Crimes (U Visa)

• U-1 visa: Victim of Certain Criminal Activity
• U-2 visa: Spouse of U-1
• U-3 visa: Child of U-1
• U-4 visa: Parent of U-1, if U-1 is under 21 years of age

Certain Second Preference Beneficiaries (VI Visa)

• V-1 visa: Spouse of an LPR who is the principal beneficiary of a family-based petition (Form I-130) which was filed prior to December 21, 2000, and has been pending for at least three years
• v-2 visa: Child of an LPR who is the principal beneficiary of a family-based visa petition (Form I-130) that was filed prior to December 21, 2000, and has been pending for at least three years.
• V-3 visa: The derivative child of a V-1 or V-2