Micah William Janso Smith (born 1981) is an American lawyer from Hawaii who has served as a United States district judge of the United States District Court for the District of Hawaii since 2024. He served as an assistant United States attorney for the District of Hawaii from 2018 to 2024.

- Gender
- Male
- Race
- African American/Asian American
Prior employment
Criminal Division, District of HawaiiAssistant U.S. attorney · 2018–2024- Criminal DivisionDeputy chief · 2019–2024
- Criminal civil rights coordinator2021–2024
- Appeals and Legal StrategyChief · 2022–2024
- University of Hawaii William S. Richardson School of LawLecturer in law · 2020
- Violent Crime and Drug SectionCo-chief · 2018–2019
- Project Safe Neighborhoods Coordinator2019
Assistant U.S. attorney · 2012–2018- DNA liaison2017–2018
Department of Justice Human Source Review CommitteeMember · 2017–2018- Violent and Organized Crime UnitCo-chief · 2017–2018
- Criminal Appeals UnitActing deputy chief · 2016–2017
- Violent and Organized Crime UnitDeputy chief · 2016–2017
Lecturer in law · 2017- Private practice, Washington, D.C.2008–2012
Law clerk , Hon. David H. Souter · 2007–2008
Law clerk , Hon. Guido Calabresi · 2006–2007
Appointments
2024–present · Appointed by Joseph R. Biden (Democratic)
Education
J.D. · 2006- Lock Haven University of PennsylvaniaB.A. · 2003