Dutch Open may refer to:

• Dutch Open (tennis), an ATP tennis tournament from 1957 to 2008
• Dutch Open, original name of the KLM Open, an annual golf tournament on the European Tour
• Dutch Open (badminton)
• Dutch Open (darts)

• Joan Wolf
• Joan W. Scott
• Joan Wyndham
• Joao Alexandre Duarte Ferreira Fernandes
• Joao Alves
• Joao Amaral
• Joao Azevedo
• Joao Baptista Ferreira Medina
• Joao Barion
• Joao Barreiro
• Joao Barreiro, Cape Verde
• Joao Barreiros
• Joao Batista da Silva
• Joao Batista Nunes de Oliveira
• Joao Belchior Marques Goulart
• Joao Bernardo de Miranda
• Joao Biehl
• Joao Bosco
• Joao Bosco de Freitas Carlos
• Joao Botelho
• Joao Camara
• Joao, Cape Verde
• Joao Carlos de Bragança
• Joao Carlos de Oliveira
• Joao Carlos de Saldanha, Duke de Saldanha