Violet Line may refer to:
*
Violet Line (1914)
The Violet Line was a boundary line agreed between the United Kingdom and the Ottoman Empire in March 1914.{{citation , url= https://www.dur.ac.uk/ibru/publications/view/?id=49, title=The Iraq-Kuwait boundary dispute: historical background and the ...
, a boundary between the Ottoman Empire and the British Empire in Arabia
*
Violet line piranha, a species of fish
*
Violet Line (Delhi Metro)
The Violet Line (Line 6) is a rapid transit metro line of the Delhi Metro in Delhi, India. The line connects Kashmere Gate station in New Delhi with Raja Nahar Singh in Ballabhgarh via Faridabad. The line consists of 34 metro stations with a ...
, a line of the rapid transit system in Delhi, India
*
Violet Line (Ahmedabad Metro), a line of the rapid transit system in Ahmedabad, India
*
Line 6 (Riyadh Metro)
The Purple Line () or Line 6, also known as Violet Line, is one of the six lines in the Riyadh Metro network in Riyadh, Saudi Arabia. It runs in a half-ring from King Abdullah Financial District, passing Imam Muhammad ibn Saud Islamic University, ...
, a line of the rapid transit system in Riyadh, Saudi Arabia. (Also sometimes referred as Purple Line)
{{Color lines (dab)