The solubility of naphthalene in isobutyl acetate, n-butyric acid (butanoic acid), ethyl acetate (ethyl ethanoate), N-methyl pyrrolidone (1-methyl-2-pyrrolidone), N,N-dimethylformamide (N,N-dimethylmethanamide), tetrahydrofuran (oxacyclopentane), and acetone (propanone) between 278 K and 328 K was measured using a laser monitoring observation technique. Results of these measurements were correlated with a semiempirical equation. For the seven solvents studied, the data are well fitted with a semiempirical equation.