Theodore J. Stankiewicz (born November 25, 1993) is an American professional baseball pitcher who is a free agent.

[2] Stankiewicz split the 2018 season between Portland and the Triple-A Pawtucket Red Sox, accumulating an 8–14 record and 4.97 ERA with 115 strikeouts in 150+1⁄3 innings pitched.

[5] On July 30, 2020, Stankiewicz signed with the Uni-President Lions of the Chinese Professional Baseball League (CPBL).

On December 3, 2021, Stankiewicz signed with the CTBC Brothers of the Chinese Professional Baseball League for the 2022 season.

[16] In 18 appearances (14 starts) split between the Double–A Chattanooga Lookouts and Triple–A Louisville Bats, he struggled to a cumulative 7.59 ERA with 49 strikeouts across 70.0 innings pitched.

[18] Stankiewicz made 11 appearances (10 starts) for Tijuana in 2024, registering a 4–2 record and 3.53 ERA with 29 strikeouts over 51 innings pitched.

[21] Stankiewicz was born without a right pectoral muscle, a condition he was unaware of until he underwent his post-draft Red Sox physical.

[22] In 2014, while driving a pickup on US 377, Stankiewicz drove left of center, entered a broadslide, and slammed into an oncoming vehicle.