Heini Otto (born 24 August 1954) is a Dutch former professional footballer who played as an attacking midfielder.

He made his debut in professional football on September 15, 1974, when he came on for Gerard van der Lem in a match against HFC Haarlem.

He completed a move to FC Twente, replacing Arnold Mühren who had recently departed to Ipswich Town.

In the summer of 1981, Otto played three friendly games for English side Middlesbrough, with a view to a permanent transfer.

He made a scoring debut in the First Division against Tottenham Hotspur at Ayresome Park as his side lost 3–1.

[5] He would then move to Ajax where he would coach for the next three years before becoming assistant manager for a further three, alongside Morten Olsen and Jan Wouters, as his side won the Eredivisie and the KNVB Cup twice.

On 1 November 2000 Otto was appointed manager of HFC Haarlem, remaining in the job until 5 December 2002 when he stood down as a result of a heart condition which required a nine-hour open-heart operation two days later.