Zodiac Signs Ranked By Most Likely To Be Single Gemini. Gemini is the zodiac sign that is most likely to be single. Sagittarius. Sagittarius is the second zodiac sign most likely to be single. ... Aquarius. Aquarius is the third zodiac sign that is most likely to be single. ... Capricorn. ... Aries. ... Virgo. ... Pisces. ... Scorpio. ... More items... Feb 10, 2023