Sackville
Quarterly, Or and gules, a bend vair.

Saint John
Argent, on a cief gules, two mullets of eleven points Or, pierced vert.
John de Saint John

Salmon
Sable, three salmon haurient argent.
John Salmon, 1299

Salter
Gules, ten billets, 4, 3, 2, and 1 Or, within a bordure engrailed argent, charged with ten torteaux.

Samwell
Argent, two squirrels addorsed gules.

Sancroft
Argent, on a chevron between three crosses formée gules, three doves of the field.
W. Sancroft, 1678

Sandford
Azure, three bars wavy argent.
Henry de Sandford, 1227

* Saxony
Barry of eight, Or and sable, a ducal coronet in bend vert.

Scory
Or, three pelican's heads erased sable; on a chief azure a fleur-de-lys between two mullets of the first.
John Scory, 1551

* Scotland
Or, a lion rampant within a double tressure, flory counterflory gules.

Segrave
De sable, a un lion rampant de argent courone de or.
Sire Johan de Segrave, roll temp. Ed II

* Segrave-Buttetourt
Sable, a lion rampant argent crowned Or (Segrave).
Or, a saltire engrailed sable (Buttetourt)

Senhouse
Per pale argent and gules, in dexter a parrot russet beaked and legged Or.
Richard Senhouse, 1624
To me it looks more like simply a parrot Or...

* Shakespeare
Or, on a bend sable, a tilting spear of the field headed argent.
Shakspere, 1546

Shanke
Gules, on a fesse argent, a hawk's lure of the first; in chief a cinquefoil, and in base a hawk's leg, erased, jessed and belled of the second.

Shuttleworth
Argent, three weaver's shuttles sable, tipped and furnished with quills of yarn, the threads pendent Or.
Shuttleworth, 1840

Skipton
Argent, an anchor sable.

Skirlaw
Argent, a cross fo six batunes interlaced sable.
Skirlawe, 1366

Smithson
Argent, a chevron engrailed sable between three oak leaves vert.

Sneyd
Argent, a scythe in pale, blade in chief, the sned [or handle] in bend sinister sable; in fesse point a fleur-de-lys of the last.

Snowden
Azure, a lion salient Or.
Robert Snowden, 1616

Sole
Argent, a chevron gules between three soles haurient [proper] with a bordure engrailed gules.

Spencer
Azure, a fesse ermine between six sea-mew's heads erased argent.

St Bartholomew's Hospital
Per pale argent and sable, a chevron counterchanged.

* Stafford
Quarterly, first and fourth France and England quartered within a bordure argent; second and third Or, a chevron gules.

Stainings
Argent, a bat displayed proper.

Staley
Argent, a plain chevron sable, fimbriated and engrailed azure.

Standard
Vert, an arrow in pale, point downwards, Or, barbed and feathered argent.

Stansam
Argent, a unicorn passant gules, armed Or.

* Stephen I
Gules, three sagittary in pale Or.

Stockden
Gules, the trunk of a tree eradicated and couped[otherwise snagged] in pale, sprouting two slips argent.

Stokwith
Argent, two bars gules, in chief three cinquefoils of the second.

Stonor
Azure, two bars dancetty Or, a chief argent.

Storey
Party per fesse argent and sable, a pale counterchanged, three storks close of the second.
Edward Storey, 1468

Strahan
Argent, a buck tripping upon a mound proper.

Strode
Argent, three conies sejant.
Strode, 1716

Stuart
Argent, a lion rampant gules, debruised with a ragged staff in bend throughout Or.

Style
Or, a bend compony, sable and ermine.

Sudbury
Azure, a talbot sejant within a bordure engrailed azure.
Simon Sudbury, 1362

Sutton
Azure (?), a canton sable.
Oliver Sutton, 1280

* Sutton
Quarterly; first and fourth argent, a canton sable; second and third Or, two bars azure, a chief quarterly of the last charged with two fleur-de-lys Or, and gules a lion of England.
Charles Manners Sutton, 1805

Swettenham
Argent, on a bend vert three shovels bendwise in bend of the first.

Sydall
Argent, a chevron between three carpenter's squares, the angles in sinister chief, gules.
Elias Sydall, 1731

Sydenham
Argent, three rams passant sable.
Sydenham, 1641

Sydney
Or, a pheon azure.