One-sided

One-sided may refer to:


 * Biased
 * One-sided argument, a logical fallacy
 * In calculus, one-sided limit, either of the two limits of a function $f(x)$ of a real variable $x$ as $x$ approaches a specified point
 * One-sided (algebra)
 * One-sided overhand bend, simple method of joining two cords or threads together
 * One-sided test, a statistical test