The present invention relates to a liquid-repellent composition containing a tetrafunctional silane-based compound having a specified structure [component (A)] and a trifunctional silane-based compound having a specified structure [component (B)] as well as a metal catalyst [component (C)] and satisfying a formula (I): 12 ≤ x ≤ 64 [in the formula (I), x represents a ratio of a molar amount of the component (A) to a molar amount of the component (B) [(A)/(B)] (molar ratio), a liquid-repellent sheet including a liquid-repellent layer formed of the foregoing liquid-repellent composition, and production methods of the same.