| Type: | Prime bishop |
| Honorific-Prefix: | The Most Reverend |
| Artur Robert Wiecinski | |
| Archbishop | |
| Church: | National Old Catholic Church in Poland |
| Term: | Jun, 2018 |
| Ordination: | Apr 17, 2014 by Bp Marek Jan Kordzik |
| Consecration: | Jul 22, 2017 |
| Consecrated By: | Bp Wojciech Zdzislaw Kolm |
| Birth Date: | Oct 30, 1991 |
| Birth Place: | Warsaw |
Arthur Robert Wiecinski (born 1991) is a Polish Archbishop, prime bishop of the Old Catholic Church in Poland since 14 January 2017, having been elected at the General Synod of the church.[1] He was also Primate of the Polish-Catholic Church in United Kingdom in from April 2018 to May 2019.[2]