The following is the list of public holidays in the State of Oklahoma, United States in 2021.
|New Year's Day||Jan 01, 2021||Friday||Federal Holiday|
|Martin Luther King, Jr. Day||Jan 18, 2021||Monday||Federal Holiday|
|Presidents' Day||Feb 15, 2021||Monday||Federal Holiday|
|Memorial Day||May 31, 2021||Monday||Federal Holiday|
|Independence Day||Jul 04, 2021||Sunday||Federal Holiday|
|Independence Day Holiday||Jul 05, 2021||Monday||Observed|
|Labor Day||Sep 06, 2021||Monday||Federal Holiday|
|Veterans Day||Nov 11, 2021||Thursday||Federal Holiday|
|Thanksgiving Day||Nov 25, 2021||Thursday||Federal Holiday|
|Day after Thanksgiving||Nov 26, 2021||Friday||State Holiday|
|Christmas Eve Holiday||Dec 23, 2021||Thursday||Observed|
|Christmas Eve||Dec 24, 2021||Friday||State Holiday|
|Christmas Day Holiday||Dec 24, 2021||Friday||Observed|
|Christmas Day||Dec 25, 2021||Saturday||Federal Holiday|
|New Year's Day Holiday*||Dec 31, 2021||Friday||Observed|
* December 31, 2021, is an observed holiday in lieu of the New Year's Day of 2022.
Please also check working days in Oklahoma in 2021.