Peter Pinchez Opiyo Odhiambo, is a Kenyan midfielder, currently in the ranks of Kenyan Premier League side Nairobi City Stars.^[1] He previously played for other Kenyan topflight clubs including Tusker, A.F.C. Leopards,^[2] Thika United with loan spells at Gor Mahia. He also turned out for Finnish Veikkausliiga sides FF Jaro and SJK.

Opiyo began his youth career with Tusker and signed for Thika United in January 2008. After only one year with Thika United, he moved to Gor Mahia in February 2009 on loan, and his loan spell with Gor Mahia was set to continue until 2010.^[3]

In 2011, he returned to Thika United ^[4] for the remainder of the year, before rejoining Tusker for the 2012 ^[5] season helping the side to clinch their ninth league title. He moved to A.F.C. Leopards in 2013,^[6][7]helping the side to a second-place finish in the league and a ninth domestic cup. He scored the lone and winning goal against arch-rivals Gor Mahia.

On 11 March 2014, Opiyo completed a move to Finnish top-tier side FF Jaro in a two-year deal.^[8] He made his debut for the club in their fourth-round 2014 Finnish Cup match against FC Hämeenlinna on 15 March,^[9] but could not help prevent the club from a 2–1 loss and an early exit from the tournament.

After flirting with AFC Leopards in the June transfer window, Kenyan international midfielder Opiyo sealed a move to Qatar second division side Al-Markhiya SC on 25 July 2016, a team he led to promotion at the end of the season.^[10][11]On 26 July 2018, Opiyo signed for SJK.^[12][13][14] He left the club again at the end of 2018.

In August 2019, Peter Opiyo and Nigerian Uche Kalu signed a contract with FC Altyn Asyr from Turkmenistan. They were the first foreign footballers in the history of the club and the first legionnaire in the 2019 Ýokary Liga. Despite having a contract, paperwork complications saw him fail to join the team and in mid-November 2019 he issued a termination notice and consequently ended his engagement with the club in early December to become a free agent.

After weeks of training with promotion-chasing Nairobi City Stars, Opiyo joined the second-tier side in January 2020 on a one-and-a-half-year deal.^[15] He went on to renew his stay with the club with separate one-year deals to feature in the 2021-22,^[16] and 2022-23 FKF Premier League seasons.^[17]

He featured for the Kenya national team between 2009 and 2014.^[18] He was first capped on 14 Mar 2009 by German coach Antoine Hey as Kenya took on Iran at the Azadi Stadium in an international friendly. It ended 1–0 to the hosts.^[19] He was also part of the squad that won the 2013 CECAFA Cup on home soil.^[20]

In January 2023 Opiyo started his coaching journey by acquiring a CAF 'D' Diploma license,^[21] and in March of the same year, he moved to the Nairobi City Stars technical bench to kick start his apprenticeship with an assistant coaching role^[22] following a long term injury.^[23]