袋鼠债券是在澳大利亚债券市场上发行的外国债券，即澳大利亚以外的政府、金融机构、工商企业及国际组织在澳大利亚国内市场发行的以澳元为计值货币的债券。

募资者进军海外债市，一方面是为了取得最佳发债条件，另一方面是则为了吸收更多投资人。澳洲债市能够满足国际企业和银行的募资需求，主因是澳洲退休基金管理的资产规模高达1兆美元，为全球第四大。

Foreign bonds, such as kangaroo bonds, are mainly used to provide issuers with access to another capital market outside of their own to raise capital. Also, major corporations and/or investment firms looking to diversify their holdings and improve their overall currency exposures can use kangaroo bonds to raise funds in Australian dollars. Major issuers of kangaroo bonds have typically been from the United States Germany. Other foreign bonds include samurai bonds and bulldog bonds.