| Birth Date: | 1 October 1993 |
| Birth Place: | Oldenburg (Holst), Germany |
| Height: | 1.74 m |
| Position: | Left back |
| Currentclub: | Kickers Offenbach |
| Clubnumber: | 31 |
| Youthclubs1: | JSG Fehmarn |
| Youthclubs2: | Oldenburger SV |
| Youthyears3: | 2009–2011 |
| Youthclubs3: | VfB Lübeck |
| Youthyears4: | 2011–2012 |
| Youthclubs4: | Hansa Rostock |
| Years1: | 2012–2014 |
| Clubs1: | Hansa Rostock |
| Caps1: | 17 |
| Goals1: | 0 |
| Years2: | 2012–2014 |
| Clubs2: | Hansa Rostock II |
| Caps2: | 13 |
| Goals2: | 0 |
| Years3: | 2014–2016 |
| Clubs3: | Hamburger SV II |
| Caps3: | 44 |
| Goals3: | 2 |
| Years4: | 2014–2016 |
| Clubs4: | Hamburger SV |
| Caps4: | 9 |
| Goals4: | 0 |
| Years5: | 2016–2017 |
| Clubs5: | Greuther Fürth |
| Caps5: | 2 |
| Goals5: | 0 |
| Years6: | 2016–2017 |
| Clubs6: | → SV Ried (loan) |
| Caps6: | 21 |
| Goals6: | 1 |
| Years7: | 2017–2018 |
| Clubs7: | SV Ried |
| Caps7: | 31 |
| Goals7: | 0 |
| Years8: | 2019 |
| Clubs8: | Eintracht Norderstedt |
| Caps8: | 10 |
| Goals8: | 0 |
| Years9: | 2019– |
| Clubs9: | Kickers Offenbach |
| Caps9: | 138 |
| Goals9: | 2 |
| Nationalyears1: | 2015– |
| Nationalteam1: | Mozambique |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Club-Update: | 29 April 2024 |
| Nationalteam-Update: | 21 June 2015 |
Ronny Marcos (born 1 October 1993) is a professional footballer who plays as a left back for Kickers Offenbach. Born in Germany, he represents the Mozambique national team at international level.
Marcos began his senior career with Hansa Rostock and made his debut for the club in August 2012, as a substitute for Alexandre Mendy in a 4–1 win over SV Babelsberg 03 in the 3. Liga. In January 2014 he signed for Hamburger SV II.
He made his Bundesliga debut with the club's first team on 29 November 2014 in a match against FC Augsburg.
He moved to Greuther Fürth on 9 January 2016.[1]
Marcos joined Kickers Offenbach in July 2019.[2]
Marcos was born in Germany to parents of Mozambican descent. He made his debut for Mozambique in an Africa Cup of Nations qualifier against Rwanda on 14 June 2015 in Maputo.[3]