H類簽證是發給臨時工的。總共有下列分類:
H-1B Specialty Occupations, DOD workers, fashion models 相關移民局文件: INA Section 101(a)(15)(H)(i)(b) 8 CFR 214.2(h)(4)
H-1C Nurses going to work for up to three years in health professional shortage areas 相關移民局文件:INA Section 101(a)(15)(H)(i)(c) 8 CFR 214.2(h)(3)
H-2A Temporary Agricultural Worker 相關移民局文件:INA Section 101(a)(15)(H)(ii)(a) 8 CFR 214.2(h)(5)
H-2B Temporary worker: skilled and unskilled 相關移民局文件:INA Section 101(a)(15)(H)(ii)(b) 8 CFR 214.2(h)(6)
H-3 Trainee 相關移民局文件:INA Section 101(a)(15)(H)(iii) 8 CFR 214.2(h)(7)
H-4 Spouse or child of H-1, H-2, H-3 相關移民局文件:INA Section 101(a)(15)(H)(iv) 8 CFR 214.2(h)(9)(iv)