Liljequist Heights, heights about 2 nautical miles (3.7 km) south of Grunehogna Peaks, in the Ahlmann Ridge of Queen Maud Land
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Liljequist parhelion, a rare halo, an optical phenomenon appearing on the parhelic circle approximately ±150-160° from the sun
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Robert Liljequist (born 1971), retired male badminton player from Finland
A Liljequist parhelion is a rare halo, an optical phenomenon appearing on the parhelic circle approximately 150–160° from the sun between a 120° parhelion and the anthelion (opposite to the sun at the antisolar point).