|Full name||Douglas Stewart Allder|
|Date of birth||30 December 1951|
|Place of birth||Hammersmith, London, England|
|Playing position||Left winger|
|1980–1981||Tooting & Mitcham United||21||(1)|
|1981||Walton & Hersham|
* Senior club appearances and goals counted for the domestic league only.
Douglas Stewart Allder (born 30 December 1951 in Hammersmith, London) is an English former professional footballer. He played as a left winger, making 332 appearances in his career. He was capped for England at youth level and is a member of the Millwall Hall of Fame.
Allder began his career with Division Two side Millwall, signing apprentice terms in April 1968 for £4 a week. He signed a professional contract in October 1969, worth £20 a week. He made his debut during the 1969–70 season. A dispute with Benny Fenton in 1971 saw Allder play on a week-to-week contract and he nearly moved to play under Gordon Jago at divisional rivals Queens Park Rangers. The move was cancelled after Jago replaced Fenton as Millwall manager, meaning Allder would remain at The Den. The Lions occasionally challenged for promotion to Division One, but relegation to Division Three at the end of the 1974–75 season saw Allder depart the club. In his six years with Millwall he made 227 appearances and scored 12 goals. He has been voted into the Millwall Hall of Fame.
In July 1975, Allder moved to Division Two side Orient in exchange for Terry Brisley and Barrie Fairbrother.He left Orient at the end of the 1976–77 season, after making 41 league appearances without scoring. Looking back in 2002, Allder said "I knew straight away it was a bad move. I wasn't happy there".
Allder had a month's trial with Division Four side Torquay United in August 1977, making one appearance as a substitute for Lindsay Parsons in a League Cup tie away at Cardiff City. In September 1977 he had another month-long trial with Watford, making a single appearance away at Rochdale in which he was substituted at half-time. Watford would go on to win the 1977–78 Division Four title, with Allder receiving a winners' medal from chairman Elton John after the final game of the season against Brentford.
In October 1977, Allder joined Division Four club Brentford, after being pressed by manager Bill Dodgin. He quickly became the regular left winger in a side which were promoted to Division Two at the end of the season after securing a fourth-place finish. Allder had an infamous brawl with Sheffield United's Mick Speight during a match at Griffin Park in November 1979, which resulted in the fight spilling over into the Sheffield United dugout and both players being sent off. Allder was released at the end of the 1979–80 season, having made 95 appearances and scored three goals during his time at Griffin Park.
In 1992 he was working at the Millwall Centre of Excellence.
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