1973 Llanelli Borough Council election

The first election to Llanelli Borough Council was held in April 1973. It was followed by the 1976 election. On the same day there were elections to the other local authorities and community councils in Wales.

Llanelli Borough Ward Five (three seats)
This ward included Kidwelly and Trimsaran

Llanelli Borough Ward Six (three seats)
This ward covered Burry Port.

Llanelli Borough Ward Seven (three seats)
This ward covered Llanedi and Llangennech