Mike may refer to:
- Mike (Day 1) - CTU agent who was a part of Jack Bauer's team during "Day 1: 4:00pm-5:00pm"
- Mike (Day 4) - a subordinate of James Heller during Season 4
- Mike (Midnight Sun) - traveled with Joseph McGuckin in the graphic novel Midnight Sun
- Mike Doyle - Director of Field Operations during Season 6
- Mike Farmer - an alias used by Davros to infiiltrate the NYPD during Season 8
- Mike Hodges - governor who ran against David Palmer to be the Democratic presidential nominee (Season 1)
- Mike Kramer - park ranger outside of Los Angeles (Season 2)
- Mike Murphy - captain in the Delta Force (Season 3)
- Mike Novick - President Palmer's campaign manager and later chief of staff, also, the advisor of Charles Logan
- Mike Redmond - CTU field agent during Season 3
- Mike Robinson - special agent in charge of CTU Fairbanks in the graphic novel Midnight Sun
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