Ivan Tomašević may refer to:

• Ivan Tomašević (soldier), Croatian soldier and an NDH general
• Ivan Tomašević (activist), Croatian labourer and political activist in New Zealand

• Zucchini bread
• Zuchang Gymnasium
• Zu Chong-Zhi
• Zuchowice
• Zuchowo
• Zuchthaus
• Zucielec
• ZUCK
• Zuckau
• Zucker, Abrahams, and Zucker
• Zucker/Abrahams/Zucker
• Zucker-Abrahams-Zucker
• Zucker (disambiguation)
• Zuckerhuetl
• Zuckerhutl
• Zuckerkandi's body
• Zuckerkandl's bodies
• Zuckerkandl's fascia
• Zuckerkandl's tubercle (thyroid gland)
• Zuckerman Bound: A Trilogy and Epilogue
• Zuckermandl
• Zuckerman helmet
• Zuckmayer
• Zuckovac
• Zuckschwerdt