Accepted answer

In the title text property, you can pass in a string array and each item will break onto a new line.

text: ['Title','Subtitle'],

Subtitle example

Here is a working example.


Try this example:

Highcharts.chart('container', {

    chart: {
        marginTop: 80

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']

    subtitle: {
        text: 'This text has <b>bold</b>, <i>italic</i>, <span style="color: red">coloured</span>, <a href="">linked</a> and <br/>line-broken text.'

    series: [{
        data: [0, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
<script src=""></script>

<div id="container" style="height: 400px"></div>


For anyone still interested in this I've made a simple subtitle plugin:

This lets you have different styling compared to the primary title

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