Thomas Halliday

• Thomas Halliday (cricketer), English cricketer
• Thomas Halliday (engraver), English coin and medal engraver
• Thomas Halliday (trade unionist), English trade unionist
• Thomas Halliday (writer), shortlisted for 2022 Wainwright Prize
• Thomas Symington Halliday, Scottish artist and teacher
• Tom Halliday, English footballer