| 23558 | Russian | moj | | | Pulkina (1975) | |
| 51583 | Saint Lucian Creole French | sa mwɛ̃ | The form /sa a mwɛ̃/ also occurs (Carrington 1984:72). | | Carrington (1984) | |
| 25803 | Salako | -ku | | | Adelaar (2002) | |
| 54500 | Sáliba | c- | | | Labrada (2016) | |
| 39941 | Salt-Yui | na | | | Irwin (1974) | |
| 58583 | Samba Daka | mèè | | | Boyd (2004) | |
| 23458 | Samoan | loʔu, laʔu, lota, lata | | | Pratt (1893) | |
| 35618 | Sanskrit | me | | | Egenes (2006) | |
| 35617 | Sanskrit | mama | | | Egenes (2006) | |
| 49627 | Sãotomense | mũ | The forms ‘mu’ and ‘-m’ are also listed as free variants (Ferraz 1979:62). | | Ferraz (1979) | |
| 45491 | Sarcee | síní | | | Cook (1984) | |
| 27419 | Sardinian | meu | | | Jones (1988) | |
| 34033 | Satawalese | -i | | | Roddy (2007) | |
| 44531 | Savosavo | aiβa | 'a'ɲiβa' also occurs but is considered 'quite emphatic' (Wgener 2010:78). | | Wegener (2012) | |
| 28176 | Selepet | nâhât | | | McElhanon (1972) | |
| 62448 | Sénoufo, Supyire | mìi | | | Carlson (1994) | |
| 31839 | Sentani | dɛj | | | Cowan (1965) | |
| 40083 | Sentani | da | | | Cowan (1965) | |
| 31840 | Sentani | də | | | Cowan (1965) | |
| 31838 | Sentani | d- | | | Cowan (1965) | |
| 31837 | Sentani | da | | | Cowan (1965) | |
| 41319 | Sepik Iwam | karir | | | Conrad (1993) | |
| 26392 | Serbian/Croatian | môj | | | Browne (1993) | |
| 49771 | Seselwa Creole French | mô | | | Corne (1977) | |
| 54781 | Shona | -ŋgu | | | Fortune (1955) | |
| 41079 | Sibe | ŋ- | | | Onishi (2004) | |
| 50335 | Sinaugoro | ɣegu | | | Tauberschmidt (1999) | |
| 52475 | Siona | jɨ'ʔɨ | | | Wheeler (2000) | |
| 32969 | Siraya | =au | | | Adelaar (2011) | |
| 52619 | Siriano | ʝɨɨ́ʝa | | | Criswell and Badrup (2000) | |
| 41043 | Siwai | ŋo- | | | Onishi (2004) | |
| 40482 | Skou | nì | | | Donohue (2011) | |
| 45299 | Slavey | se- | | | Keren (1989) | |
| 26596 | Slovak | môj | | | Short (1993b) | |
| 26460 | Slovene | mọ́j | | | Priestly (1993) | |
| 44388 | Somali | -kàyga | The form used for a feminine possessum is '-tàjda'. | | Saeed (1999) | |
| 46923 | South Awyu | na | | | Wester (2014) | |
| 48571 | South Efate | -k | | | Thieberger (2006) | |
| 62441 | South Efate | nigneu | | | Thieberger (2006) | |
| 55967 | Southern Grebo | na˥ | | | Innes (1966) | |
| 27266 | Spanish | mi | | | Butt and Benjamin (1988) | |
| 51343 | Sranan | mi | | | Wilner (2007) | |
| 43176 | Standard Arabic | -i: | Allomorphy as for O | | Ryding (2005) | |
| 43272 | Standard Arabic | -i: | Shows alternation with the alomorph -ni:, which appears suffixed to nouns with a word final vowel. | | Ryding (2005) | |
| 55203 | Sua | ŋkɛ | | | Wilson (2007) | |
| 48475 | Sudest | -nggu | | | Lynch et al. (2002) | |
| 23013 | Suki | nabane | | | Van Tongeren (2013) | |
| 31174 | Sunda | kuriŋ | | | van Syoc (1959) | |
| 44148 | Sunwar (Saipu Dialect) | ãːke | | | Borchers (2008) | |
| 45683 | Swedish | míːnà | | | Björkhagen (1966) | |
