Toyoshima (written: 豊島 or 豊嶋) is a Japanese surname. Notable people with the surname include:
*, Japanese biophysicist
*, Japanese airman and prisoner of war
*, Japanese voice actress
*, Japanese shogi player
*
Shigeki Toyoshima (born 1971), Japanese high jumper
*, Japanese rugby sevens player
*
Tak Toyoshima (born 1971), American comic strip cartoonist
*, Japanese politician
*, Japanese footballer
{{surname
Japanese-language surnames
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