:Masami Yokoyama

{{short description|Japanese volleyball player}}

{{no footnotes|date=May 2015}}{{Infobox volleyball player

| name = Masami Yokoyama

| fullname = Masami Yokoyama

| nickname = Charmy

| image =

| birth_date = {{birth date|1981|12|12|mf=y}}

| birth_place = Koto, Tokyo, Japan

| death_date =

| hometown =

| spike = 285cm

| block = 272cm

| height = {{height|m=1.70|precision=0}}

| weight = {{convert|57|kg|lb|abbr=on}}

| position = Setter

| currentclub = Igtisadchi Baku

| currentnumber=

| nationalteam =

}}

Masami Yokoyama (横山雅美 Yokoyama Masami, born December 12, 1981) is a Japanese volleyball player who plays for Igtisadchi Baku.