紐奧良市旗（flag of New Orleans）是美國路易斯安那州城市紐奧良的旗幟。這面旗幟底色是白色，中央有三個金色的百合花飾。旗幟上方是紅色條紋，下方是藍色條紋。百合花飾是法國的傳統象徵之一，象徵紐奧良和法國的聯繫。
Quick Facts 用途, 比例 ...
City of New Orleans |
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| 用途 | 其他 |
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| 比例 | 2:3[1] |
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| 啟用日期 | 1918年1月 (1918-01) |
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Sec. 2-2. - Official flag of city—Described.. Code of Ordinances of the City of New Orleans, Louisiana. 1956 [2021-05-03]. （原始內容存檔於2019-09-20）. The official flag of the city shall be according to the design accepted and approved by the Bienville Bicentennial Celebration Committee through its flag committee which consists of a white field five-sevenths wide, with a brilliant crimson stripe one-seventh wide at the top, and a brilliant blue stripe one-seventh wide at the bottom, the relative proportions of the flag to be two by three. There shall be three fleur-de-lys in the center of the white field, the height of each of which shall be one-fourth of the height of the white field and to locate their position there must be drawn an inverted equilateral triangle with an altitude of one-third the height of the white field, each angle marking the center of the fleur-de-lys, the whole according to the design marked exhibit B-B attached to the ordinance from which this section was derived.
