The Otago recipients were due to be formally awarded the scholarships at a function at Parliament today.
They are among 27 undergraduate and postgraduate students from the country's eight universities who have received a total of $194,000 in the latest round of annual Freemasons scholarships.
The parliamentary function also marks the 40th anniversary of the Freemasons scholarship programme, through which scholarships amounting to nearly $5.2million have been awarded to 1162 of the country's most talented university students.
Miss Williams, a microbiology and immunology PhD student, has gained a $10,000 postgraduate scholarship, and is studying ``next generation inhibitors to combat drug-resistant tuberculosis infections''.
She is a member of a research team partnering with laboratories in the United States and China, and hopes the collaborative research will help develop new antibiotics reduce the incidence of Tb.
Mr Fleming, who is a bachelor of applied science student, BSc student Mr Jones, and bachelor of physiotherapy student Miss Watson have received $6000 scholarships to support undergraduate study.