|Date of birth||9 January 1936|
|Place of birth||Piatra Neamţ, Romania|
|Date of death||3 February 2015 79)(aged|
|Place of death||Pitești, Romania|
|Height||1.79 m (5 ft 10 in)|
|1950–1951||Progresul ICAB București|
|1956||Dinamo 6 București|
|1956–1968||Dinamo București [lower-alpha 1]||244||(19)|
|1958–1967||Romania||40 [lower-alpha 2]||(0)|
|1991–1992||Argeș Pitești (technical director)|
|1992–1993||Ceahlăul Piatra Neamț|
|1998–1999||FC Baia Mare|
|*Club domestic league appearances and goals|
Ion Nunweiller (9 January 1936 – 3 February 2015) was a Romanian football defender and manager. 
Ion Nunweiller was born in Piatra Neamț on 9 January 1936.   He had an Austrian father named Johann Nunweiller, who settled in Piatra Neamț after World War II where he met his wife, Rozina, later they moved from Piatra Neamț to Bucharest.  He had six brothers, the oldest one of them, Constantin was a water polo player and the other five: Dumitru, Lică, Victor, Radu and Eduard were footballers, each of them having at least one spell at Dinamo București, they are the reason why the club's nickname is "The Red Dogs".   Ion made his Divizia A debut, playing for Dinamo București on 12 August 1956 in a 2–0 victory against Dinamo Bacău.   Throughout his two spells at Dinamo București he won five Divizia A titles and three Cupa României, also appearing in the first European match of a Romanian team in the 1956–57 European Cup in the 3–1 victory against Galatasaray, helping the team go to the next phase of the competition where they were eliminated by CDNA Sofia, playing for Dinamo in a total of 19 European Cup matches in which he scored two goals in the 1963–64 edition, one in a 2–0 victory against East Germany champion, Motor Jena which helped the club advance to the next phase where they were eliminated by Real Madrid, scoring in a 5–3 loss and made one appearance in an Inter-Cities Fairs Cup match.       Nunweiller spent two seasons in Turkey at Fenerbahçe from 1968 until 1970, making him one of the first Romanians to play professional football in Turkey.   During his period spent in Turkey, Nunweiller won a Turkish Super League title, a TSYD Cup in which he scored the only goal from the final against Beşiktaş, played four games in the 1968–69 European Cup where he helped Fenerbahçe eliminate the champion of England, Manchester City, was elected the best foreign player of the Turkish league in the 1969–70 season and in his second season spent at the club he was coached by Traian Ionescu and was teammate with Ilie Datcu, all of them previously working together at Dinamo.    
Ion Nunweiller played 26 games at international level for Romania, making his debut on 26 October 1958 under coach Augustin Botescu in a friendly which ended with a 2–1 loss against Hungary.   He played four games at the 1960 European Nations' Cup qualifiers as Romania reached the quarter-finals where they were defeated by Czechoslovakia, who advanced to the final tournament.  Nunweiller played two games at the 1964 European Nations' Cup qualifiers, one game at the 1966 World Cup qualifiers and four at the Euro 1968 qualifiers.  He also played for Romania's Olympic team, appearing in four games at the 1964 Summer Olympics, helping Romania finish 5th in the competition.  
After ending his playing career in 1972, Ion Nunweiller became the head coach of Dinamo București, managing to win the title in his first season.      He won two more titles with Dinamo, qualified Flacăra Moreni in the UEFA Cup, had an experience in Turkey at Bursaspor and obtained the first ever promotion to Divizia A of his hometown team Ceahlăul Piatra Neamț.   Nunweiller has a total of 374 matches as a manager in the Romanian top-division, Divizia A consisting of 163 victories, 76 draws and 135 losses. 
On 25 March 2008, Nunweiller was decorated by the president of Romania, Traian Băsescu for all of his achievements as a football coach, and for forming young generations of future champions with Ordinul "Meritul Sportiv" — (The Order "The Sportive Merit") class III. 
Ceahlăul Piatra Neamț
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The 1961–62 season was Dinamo București's 13th season in Divizia A. Dinamo won their second championship, ending the season with 36 points, three more than the second ranked, Petrolul Ploieşti. Gheorghe Ene is again ranked in the top three leading scorers, with 19 goals.
The 1962–63 season was Dinamo București's 14th season in Divizia A. Dinamo kept the title won in the last season. In the European Cup, Dinamo entered the preliminary round, and could not pass by Galatasaray Istanbul.
The 1963–64 season was FC Dinamo București's 15th season in Divizia A. Dinamo realizes the first double in history. In addition to authoritarian rule in the championship, which they won for the third consecutive time, Dinamo wins the Romanian Cup, after beating Steaua Bucharest in the final. In the European Cup, Dinamo meets the multiple champions Real Madrid.
The 1964–65 season was FC Dinamo București's 16th season in Divizia A. Dinamo won for the fourth consecutive time the championship, the longest series of trophies in their history. In the European Cup, Dinamo are eliminated in the first round by the trophy holder, Inter Milan.
The 1967–68 season was FC Dinamo București's 19th season in Divizia A. Dinamo wins for the third time the Romanian Cup. In the final, Dinamo defeats Rapid București after extra-time. In the championship, Dinamo finishes third, two points behind the first two teams, Steaua and FC Argeş.
The 1968–69 season was FC Dinamo București's 20th season in Divizia A. Dinamo reaches for the second year in a row the final of Romanian Cup, but this time loses the trophy. In the championship, Dinamo finishes the season in the second place, three points behind the champions UTA. In Europe, Dinamo entered the Cup Winners's Cup and advances to the second round after the withdrawal by Vasas ETO Győr.
The 1969–70 season was FC Dinamo București's 21st season in Divizia A. Dumitru Nicolae Nicuşor is brought back as manager and he starts to rejuvenate the first team, by promoting some players from the second team, such as Florin Cheran and Iosif Cavai. After a good first half in the championship, ended on the second position, Dinamo had a modest second half, and finished the competition only fifth. In the Romanian Cup, Dinamo reaches the third final in a row, but loses again the trophy.
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