Declan John is a 31-year-old professional football player from WAL. He currently plays for Saint Mirren, wearing the number 24 shirt. He plays primarily as a Defender. He stands at 178cm tall and weighs 75kg. His preferred foot is Left. His current market value is estimated at 250K €.

His most recent move was a from Free player to Saint Mirren on 2024-11-12.

Throughout the Scottish Premiership 2025-2026, Declan John featured in 27 matches, averaging 0.9 tackles, 0.4 interceptions, and 1.8 clearances per game, while blocking 0.2 shots per game.