Squier is an American surname. Notable people with the surname include:

The Geometry of Rewriting Systems: A Proof of the Anick-Groves-Squier Theorem
A new finiteness condition for monoids presented by complete rewriting systems (after Craig C. Squier)
Adherence to protease inhibitor therapy and outcomes in patients with HIV infection.
Laser‐induced breakdown by impact ionization in SiO 2 with pulse widths from 7 ns to 150 fs
Determinants of compliance with antiretroviral therapy in patients with human immunodeficiency virus: prospective assessment with im...
Method for controlling configuration of laser induced breakdown and ablation
Oxidative stress and protein aggregation during biological aging
Picosecond–milli?ngstr?m lattice dynamics measured by ultrafast X
Picosecond–milli?ngstr?m lattice dynamics measured by ultrafast X-ray diffraction
Machining of sub-micron holes using a femtosecond laser at 800 nm