X-79

{{Infobox sailboat specifications

|name =

|image = X-79 001.jpg

|imagesize =

|alt =

|caption = X-79 in 2006.

|class_symbol =

|class_image = X-79 red.svg

|class_imagealt =

|class_imagesize =

|crew =

|type =

|design =

|construction =

|rig =

|keel =

|trapeze =

|loa = {{convert|7.93|m|ft|abbr=on}}

|loh =

|lwl = {{convert|6.40|m|ft|abbr=on}}

|beam = {{convert|2.88|m|ft|abbr=on}}

|draft = {{convert|1.37|m|ft|abbr=on}}

|hull =

|mastheight =

|mainsailandjib =

|sailarea =

|mainsail =

|jib =

|spinnaker =

|d-pn =

|rya-pn =

|phrf =

|year = 1979

|designer = Niels Jeppesen

|location =

|builder = X-Yachts

|role =

|updated =

|olympic =

}}

X-79 is a {{convert|7.93|m|ft|adj=on}} sailboat class designed by Niels Jeppesen and built in about 500 copies.{{citation |last=Gelin |first=Curt |title=500 segelbåtar i test: bakgrund, egenskaper, omdömen |year=2005 |publisher=Nautiska förlaget |location=Stockholm |language=sv |isbn=91-89564-19-7 |page=117 }}