組合型基金（Fund of Funds，簡稱FoF），又稱為「基金中的基金」，是直接投資其他類型的基金，投資標的包括股票型基金、債券型基金、平衡型基金、指數型基金及指數股票型基金等，是一種間接的投資工具。
組合型基金可說是一種多元資產，投資策略依據不同的市場狀況或產品屬性，側重於不同類別的投資產品，即時捕捉獲利機會、分散風險。
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