Incumbent Selectman Leigh Emery will seek a fourth 3-year term in March.
Emery is the latest resident to take out nomination papers to get on the Tuesday, March 5 annual town ballot, according to the town clerk's office.
also have taken out papers, which became available Monday. Each term is for three years.
Residents have until 5 p.m. Friday, Jan. 11 to take out papers. The deadline for filing papers signed by 50 registered voters with Yendriga for certification is 5 p.m. Tuesday, Jan. 15.
Ten offices are on the ballot: three 3-year terms on the trustees of the Westborough Public Library; two 2-year terms each on the board of selectmen and the school committee; a five-year term on the planning board; a five-year term on the Westborough Housing Authority; and a three-year term on the Westborough Housing Authority.
Emery was first elected to the board of selectmen in 2004.
Also eligible for re-election are: Library Trustees Karen Griegal and Geralyn Kohler; Westborough Planning Board member Joanne Mallozzi; and Westborough Housing Authority members Julie Pappazsis (five years) and Charles Naples (three years).