  This book has seven chapters. In Chapter one, an elaborate recollection of
Smarandache structures like S-semigroups, S-loops, and S-groupoids is given. It
also gives notions about N-ary algebraic stuctures and their Smarandache
analogue, Neutrosophic structures viz. groups, semigroups, groupoids and loops
are given in Chapter one to make the book a self-contained one. For the first
time, S-neutrosophic groups and S-neutrosophic N-groups are introduced in
Chapter two and their properties are given. S-neutrosophic semigroups and
S-neutrosophic N-semigroups are defined and discussed in Chapter three. Chapter
four defines S-neutrosophic S-loops and S-N-neutrosophic groupoids and their
generalizations are given in Chapter five. Chapter six gives S-neutrosophic
mixed N-structures and their duals. Chapter seven gives 68 problems for any
interested reader.
