Charles Stephen Longuet (1861 – 10 October 1941) was the 27th Mayor of Invercargill from 1901 to 1902, and from 1909 to 1910. He had been on the Borough Council since 1897. He was born in Bluff and educated in Invercargill. A lawyer, he was called to the bar in 1890 and had been the President of the Law Society.

References

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''Cyclopaedia of New Zealand'' (1905); reference to Councillors Longuet and Lillicrap
1861 births 1941 deaths Mayors of Invercargill 19th-century New Zealand lawyers People from Bluff, New Zealand Burials at St John's Cemetery, Invercargill 20th-century New Zealand lawyers {{NewZealand-mayor-stub