Dan Weinstein may refer to:

• Dan Weinstein (speed skater) (born 1981), Olympic short track speedskater
• Dan Weinstein (musician), music composer, violinist, and trombonist

• Gairethinx
• Gairibans
• Gairich
• Gairkata
• Gairo, Sardinia
• Gairsay
• Gai, Russia
• Gairy Saint Clair
• Gairy St. Clair
• Gairy St Clair
• Gai Saber
• Gaisal train disaster
• Gais (Appenzell A.Rh.)
• Gai's Bakery
• GAIS Bandy
• Gaisberg
• Gaisberg Transmitter
• Gaisburger Marsch
• Gaisce
• Gaisce – The President's Award
• Gaisei
• Gaiseric the Lame
• Gaiserwald
• Gaiserwald SG
• Gaiserwald (St. Gallen)