Experimental studies of dynamic and transient viscoelastic response were conducted at 24 degrees C on the indium alloys InSn, InBi, InCd and InSnCd. The experiments were conducted in torsion using an instrument capable of determining viscoelastic properties over ten decades of time and frequency. The damping, tan delta, followed a v(-n) dependence at higher frequency v and was essentially constant at low frequency. Creep at long times followed a power law dependence upon time : t(m). The damping is attributed to a dislocation-point defect mechanism.