Lineicon › Space Neptune Symbol icon Neptune Symbol line icon from the space set. Free download as SVG or PNG, 48px grid, 1.5px stroke, for personal and commercial use. Tags: trident, planet, astrology, glyph.Download neptune symbol.svg Tags: trident, planet, astrology, glyph Related space iconsNeptuneObservatoryNeptuneOmega SymbolMustache AlienOne Eyed AlienMoon RoverOne Eyed Alien