| Personal information | |||
|---|---|---|---|
| Full name | Robert Mariusz Tankiewicz | ||
| Date of birth | 12 June 2009 | ||
| Place of birth | Cardiff, Wales | ||
| Position | Midfielder | ||
| Team information | |||
Current team | Cardiff City | ||
| Number | 33 | ||
| Youth career | |||
| 2017–2025 | Cardiff City | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2025– | Cardiff City | 1 | (0) |
| International career‡ | |||
| 2023–2024 | Wales U15 | 8 | (1) |
| 2024–2025 | Wales U16 | 6 | (0) |
| 2025–2026 | Wales U17 | 7 | (0) |
| 2026– | Wales U19 | 4 | (0) |
|
* Club domestic league appearances and goals as of 17:15, 27 August 2025 (UTC) ‡ National team caps and goals as of 17:05, 6 October 2025 (UTC) | |||
Robert Tankiewicz (born 12 June 2009) is a Welsh professional footballer who plays as a midfielder for EFL Championship club Cardiff City.
Tankiewicz joined the youth academy of Cardiff City as a U9, and started training with their senior team in September 2025. He made his senior and professional debut with Cardiff City as a substitute in a 1–0 EFL Trophy loss to Newport County on 7 October 2025. He was briefly Cardiff City's youngest ever player after his debut, although his teammate Axel Donczew took the record after being substituted in a couple of minutes later.
He was called up to the Wales U16s for a friendly tournament in September 2024. In August 2025, he was called up to the Wales U17s. In June 2026 Tankiewicz was called up to the Wales under-19 squad. In September 2026, he received his first call up to the Wales Under-21 squad.