Holdingham is a hamlet in the civil parish and built-up area of Sleaford, Lincolnshire. It is bisected by Lincoln Road (B1518) which joins the A17 and A15 roads immediately north of the settlement; those roads connect it to Lincoln, Newark, Peterborough and King's Lynn. Sleaford railway station is on the Nottingham to Skegness (via Grantham) and Peterborough to Lincoln Lines.