质量色谱图（Mass chromatogram），是将质谱数据作为色谱图的表示方法。图表中x轴表示为时间，Y轴则表示为信号强度。质量色谱图的来源数据中包含大量的信息，但在质量色谱图中并不是以图标形式显示，而是将可随时间变化的信号强度可视化。当质谱与某些类型的色谱法（液相色谱法-质谱法或气相色谱-质谱法）结合使用时，色谱图x轴表示为保留时间，y轴则代表信号强度或相对信号强度，不同类型度量标准的强度表示取决于每个质谱提取的信息种类。

A mass chromatogram is a representation of mass spectrometry data as a chromatogram, where the x-axis represents time and the y-axis represents signal intensity. The source data contains mass information; however, it is not graphically represented in a mass chromatogram in favor of visualizing signal intensity versus time. The most common use of this data representation is when mass spectrometry is used in conjunction with some form of chromatography, such as in liquid chromatography-mass spectrometry or gas chromatography-mass spectrometry. In this case, the x-axis represents retention time, analogous to any other chromatogram. The y-axis represents signal intensity or relative signal intensity. There are many different types of metrics that this intensity may represent, depending on what information is extracted from each mass spectrum.